Chapter 1 - Resources and Development
Introduction
Resources: Definition & Classification
- Definition of Resource:
- Everything available to satisfy human needs.
- Must be:
- Technologically accessible
- Economically feasible
- Culturally acceptable
- Transformation Process:
- Involves interaction between:
- Nature
- Technology
- Institutions
- Humans use technology to interact with nature and form institutions for economic development.
- Resources & Nature:
- Not just free gifts from nature.
- A function of human activity.
- Humans play a vital role in transforming materials into resources.
- Classification of Resources:
- Based on Origin:
- Biotic: Derived from living beings.
- Abiotic: Derived from non-living things.
- Based on Exhaustibility:
- Renewable: Can be replenished naturally.
- Non-renewable: Finite and cannot be replenished.
- Based on Ownership:
- Individual: Owned by an individual.
- Community: Owned by a community or group.
- National: Owned by a nation or country.
- International: Shared ownership across countries.
- Based on Status of Development:
- Potential: Not yet utilized but can be in the future.
- Developed Stock: Already identified and being used.
- Reserves: Part of developed stock but not in use
Image
Flow chart
Development of Resources
Development of Resources & Sustainability
- Importance of Resources:
- Vital for human survival.
- Essential for maintaining quality of life.
- Misconception about Resources:
- Once believed as free gifts of nature.
- Led to indiscriminate use and over-exploitation.
- Consequences of Indiscriminate Use:
- Depletion of Resources:
- Used to satisfy the greed of a few individuals.
- Unequal Distribution:
- Resources accumulated by a few.
- Resulted in a societal divide:
- Haves vs. Have-nots
- Rich vs. Poor
- Ecological Crises:
- Global warming.
- Ozone layer depletion.
- Environmental pollution.
- Land degradation.
- Need for Equitable Distribution:
- Essential for sustained quality of life.
- Crucial for maintaining global peace.
- Resource Planning:
- Vital for the planet's future.
- Necessary for the sustainable existence of all life forms.
- Sustainable Existence:
- An integral part of sustainable development.
Resource Planning
Resource Planning & Conservation
- Resource Planning: Overview:
- Planning for judicious use of resources.
- Essential in diverse countries like India.
- Some regions are rich in certain resources, others deficient.
- Examples of Regional Resource Disparities:
- Jharkhand, Chhattisgarh, Madhya Pradesh: Rich in minerals and coal.
- Arunachal Pradesh: Abundant water resources but lacks infrastructure.
- Rajasthan: Solar and wind energy are abundant but lack water resources.
- Ladakh: Rich cultural heritage but lacks water, infrastructure, and certain minerals.
- Resource Planning in India:
- Identification & Inventory:
- Surveying, mapping, and estimation of resources.
- Planning Structure:
- Appropriate technology, skills, and institutional setup.
- Alignment with National Plans:
- Ensure resource plans align with national development plans.
- Post-Independence Efforts:
- Goals of resource planning since the First Five Year Plan.
- Resource Availability vs. Development:
- Mere availability is not enough for development.
- Technological and institutional changes are needed.
- Example: Some regions are resource-rich but economically backward, and vice versa.
- Colonisation & Resources:
- Rich resources attracted foreign invaders.
- Technological supremacy allowed exploitation.
- Resource development involves technology, human resources, and historical experiences.
- Conservation of Resources:
- Essential for sustainable development.
- Over-utilization leads to socio-economic and environmental problems.
- Gandhiji's Perspective:
- Resources are enough for needs, not for greed.
- Advocated against mass production in favor of production by the masses.
Land Resources
- Importance of Land:
- Fundamental natural resource.
- Supports:
- Natural vegetation
- Wildlife
- Human life
- Economic activities
- Transport & communication
- Finite in magnitude; requires careful planning for use.
- Land Features in India:
- Plains (43% of land area):
- Facilitate agriculture and industry.
- Mountains (30% of total surface area):
- Ensure perennial flow of certain rivers.
- Promote tourism.
- Important for ecological balance.
- Plateaus (27% of land area):
- Rich in:
- Minerals
- Fossil fuels
- Forests
Chart
Land Utilization
- Primary Uses of Land Resources:
- Forests:
- Areas primarily covered by trees and undergrowth.
- Land Not Available for Cultivation:
- Barren and Waste Land: Areas unsuitable for cultivation.
- Non-Agricultural Uses: Land used for buildings, roads, factories, etc.
- Other Uncultivated Land (Excluding Fallow Land):
- Permanent Pastures & Grazing Land: Areas dedicated to animal grazing.
- Miscellaneous Tree Crops & Groves: Not part of the net sown area.
- Culturable Waste Land: Left uncultivated for over 5 agricultural years.
- Fallow Lands:
- Current Fallow: Land left without cultivation for up to one agricultural year.
- Other than Current Fallow: Land left uncultivated between 1 to 5 agricultural years.
- Net Sown Area:
- Physical extent of land where crops are sown and harvested.
- Gross Cropped Area:
- Sum of net sown area and area sown more than once in an agricultural year.
Land Use Pattern in India
- Determinants of Land Use:
- Physical Factors: Topography, climate, soil types.
- Human Factors: Population density, technological capability, culture, traditions.
- Geographical Area:
- Total: 3.28 million sq km.
- Land use data is available for 93% due to non-reporting in parts of the northeast and areas of Jammu and Kashmir.
- Land Categories:
- Permanent Pasture:
- Decreasing over time.
- Used for cattle; results in overgrazing and land degradation.
- Other than Current Fallow Lands:
- Often of poor quality or expensive to cultivate.
- If included, the net sown area (NSA) is about 54% of the total reporting area.
- Net Sown Area Variation:
- Over 80% in Punjab and Haryana.
- Less than 10% in Arunachal Pradesh, Mizoram, Manipur, and Andaman Nicobar Islands.
- Forest Area:
- Below the desired 33% as outlined in the National Forest Policy (1952).
- Essential for ecological balance and livelihood of people living nearby.
- Waste Land & Non-Agricultural Uses:
- Waste land includes rocky, arid, and desert areas.
- Non-agricultural uses include settlements, roads, railways, and industries.
- Land Degradation:
- Caused by continuous use without conservation and management.
- Has serious repercussions on society and the environment.
Chart
Land Degradation and Conservation Measures
- Land Importance:
- Shared resources across generations.
- Provides 95% of basic needs: food, shelter, clothing.
- Causes of Land Degradation:
- Human Activities:
- Speed up natural forces causing land damage.
- Key activities include:
- Deforestation
- Overgrazing
- Mining and quarrying
- Specific Regional Impacts:
- Mining: Abandoned sites leave scars. E.g., Jharkhand, Chhattisgarh, Madhya Pradesh, Odisha.
- Overgrazing: Mainly in Gujarat, Rajasthan, Madhya Pradesh, Maharashtra.
- Over Irrigation: Causes water logging, salinity, and alkalinity in soil. E.g., Punjab, Haryana, western Uttar Pradesh.
- Industrial Activities: Dust from mineral processing affects soil water infiltration. Industrial effluents pollute land and water.
- Conservation Measures:
- Afforestation: Planting trees to restore degraded lands.
- Grazing Management: Proper management can prevent overgrazing and land degradation.
- Land Management in Arid Areas:
- Planting shelter belts.
- Controlling overgrazing.
- Stabilizing sand dunes with thorny bushes.
- Waste Land Management: Proper care and utilization.
- Mining Control: Proper methods and post-mining site rehabilitation.
- Industrial Waste Management: Treating effluents and wastes before discharge.
Soil as a Resource
- Importance of Soil:
- Vital renewable natural resource.
- Medium for plant growth.
- Supports various living organisms.
- A living system with organic and inorganic components.
- Formation of Soil:
- Takes millions of years to form a few cm depth.
- Influenced by factors such as:
- Relief
- Parent rock or bedrock
- Climate
- Vegetation & other life forms
- Time
- Formation processes include:
- Temperature changes
- Running water, wind, and glacier actions
- Activities of decomposers
- Chemical and organic changes
- Components of Soil:
- Organic: Humus (decomposed plant and animal matter).
- Inorganic: Minerals derived from parent rock.
- Classification of Soils in India:
- Based on factors like:
- Soil formation
- Color
- Thickness
- Texture
- Age
- Chemical & physical properties
Soil Profile
Map
Classification of Soils
Classification of Soils & Conservation
- Soil as a Resource:
- Medium for plant growth.
- Supports different types of living organisms.
- Types of Soils:
- Alluvial Soils:
- Most widespread and important.
- Found in northern plains, and deltas of major rivers.
- Comprises sand, silt, and clay.
- Old alluvial (Bangar) vs. New alluvial (Khadar).
- Highly fertile and densely populated.
- Black Soil (Regur Soil):
- Ideal for cotton; known as black cotton soil.
- Found in Deccan plateau regions.
- Rich in calcium carbonate, magnesium, potash, and lime.
- Red and Yellow Soils:
- Found in the Deccan plateau, parts of Odisha, Chhattisgarh, and Western Ghats.
- Develops a reddish color due to iron; turns yellow when hydrated.
- Laterite Soil:
- Found in tropical and subtropical climates.
- Formed due to intense leaching.
- Used for tea and coffee cultivation.
- Arid Soils:
- Sandy and saline.
- Found in dry areas; lacks humus and moisture.
- Forest Soils:
- Found in hilly and mountainous regions.
- Depends on rainforests and vegetation.
- Soil Erosion & Conservation:
- Causes of Erosion:
- Natural forces: wind, water, glacier.
- Human activities: deforestation, over-grazing, poor farming practices.
- Types of Erosion:
- Gully Erosion: Deep channels in clayey soils.
- Sheet Erosion: Topsoil washed away over large areas.
- Wind Erosion: Loose soil blown away from flat or sloping lands.
- Conservation Techniques:
- Contour Ploughing: Along the slope contours.
- Terrace Farming: Steps on slopes.
- Strip Cropping: Grass strips between crops.
- Shelter Belts: Rows of trees that reduce wind speed.
Additional Concepts
Sustainable Development & Major Milestones
- Definition:
- Development without damaging the environment.
- Present development shouldn't compromise future generations' needs.
- Rio de Janeiro Earth Summit, 1992:
- Location: Rio de Janeiro, Brazil.
- Aim: Address urgent problems of environmental protection and socio-economic development.
- Outcomes:
- Declaration on Global Climatic Change and Biological Diversity signed.
- Endorsement of the global Forest Principles.
- Adoption of Agenda 21 for sustainable development in the 21st century.
- Agenda 21:
- Background: Declaration from the United Nations Conference on Environment and Development (UNCED), 1992.
- Purpose: Achieve global sustainable development.
- Goals:
- Combat environmental damage.
- Address poverty and disease through global cooperation.
- Every local government should draft its own local Agenda 21.
- Historical Milestones:
- 1968: Club of Rome advocates resource conservation.
- 1974: Schumacher's book "Small is Beautiful" promotes Gandhian philosophy.
- 1987: Brundtland Commission Report introduces 'Sustainable Development'; published as "Our Common Future".
- 1992: Earth Summit at Rio de Janeiro emphasizes sustainable development.
Chapter 2 - Forest and Wildlife Resources
Introduction
Ecological System & Biodiversity
- Biodiversity:
- Encompasses all living beings, ranging from micro-organisms to large creatures like blue whales.
- The planet is home to immense biodiversity.
- Human Dependency:
- We form a part of a complex ecological system.
- Our existence heavily depends on this system.
- Role of Living Organisms:
- Plants, animals, and micro-organisms maintain the quality of essential resources:
- Air: They help in purifying the air we breathe.
- Water: They play a role in maintaining the quality of water we consume.
- Soil: They contribute to the soil's health, which in turn affects our food.
- Significance of Forests:
- Primary producers in the ecological system.
- All living beings depend on forests.
- Forests are essential for the sustenance of the ecological balance.
Flora and Fauna in India
- Local Diversity:
- Every region has unique plants and animals native to that area.
- India's Biodiversity:
- Among the world’s richest countries in terms of biological diversity.
- The existing number of species is possibly only a fraction; many are yet to be discovered.
- Forest and Wildlife Resources:
- India has a vast and varied range of forest and wildlife resources.
- These resources play a crucial role in daily life.
- Integration with Daily Life:
- The flora and fauna are deeply integrated into our daily routines and cultures.
- Often, their significance is overlooked or taken for granted.
- Environmental Concerns:
- Flora and fauna are currently under stress.
- This is mainly due to environmental insensitivity and neglect.
Conservation of Forest and Wildlife in India
- Need for Conservation:
- To maintain ecological diversity and life support systems (water, air, soil).
- To preserve genetic diversity for species growth and breeding.
- Dependency on traditional crop varieties in agriculture.
- The maintenance of aquatic biodiversity is crucial for fisheries.
- Conservation Efforts in 1960s & 1970s:
- Demand for a national wildlife protection program.
- Introduction of the Indian Wildlife (Protection) Act, 1972:
- Hunting bans.
- Legal habitat protection.
- Trade restrictions in wildlife.
- Protection Initiatives:
- Establishment of national parks and wildlife sanctuaries.
- Specific projects for endangered species:
- Tiger, one-horned rhinoceros, Kashmir stag, certain crocodiles, Asiatic lion, and more.
- Recent additions: Indian elephant, black buck, great Indian bustard, snow leopard.
- Shift in Conservation Focus:
- Earlier focus on specific components.
- Current emphasis on entire biodiversity.
- Recognition of insects in conservation:
- Protection for several butterflies, moths, beetles, and a dragonfly.
- 1991: Inclusion of plants in the protected list, beginning with six species.
Types and Distribution of Forest and Wildlife Resources
- Overview:
- The majority of forest and wildlife resources are managed by the government.
- Managed mainly through the Forest Department.
- Classification of Forests:
i. Reserved Forests:
- Constitute over half of the total forest land.
- Most valuable for conservation purposes.
ii. Protected Forests:
- About one-third of the total forest area.
- Protected against further depletion.
iii. Unclassed Forests:
- Forests and wastelands owned by government, private individuals, and communities.
- Permanent Forest Estates:
- Includes reserved and protected forests.
- Purpose: timber production and protection.
- States with Significant Permanent Forests:
- Madhya Pradesh: Largest area under permanent forests (75% of its total forest area).
- High Percentage of Reserved Forests: Jammu & Kashmir, Andhra Pradesh, Uttarakhand, Kerala, Tamil Nadu, West Bengal, Maharashtra.
- High Percentage of Protected Forests: Bihar, Haryana, Punjab, Himachal Pradesh, Odisha, Rajasthan.
- High Percentage of Unclassed Forests: Northeastern states, parts of Gujarat (managed by local communities).
Community and Conservation
- Introduction:
- Conservation strategies in India have roots in tradition.
- Forests in India are not just ecological areas but are homes to traditional communities.
- Local Community Initiatives:
i. Sariska Tiger Reserve, Rajasthan:
- Villagers resisted mining using the Wildlife Protection Act.
ii. Bhairodev Dakav ‘Sonchuri’, Alwar, Rajasthan:
- Villagers declared 1,200 hectares of forest as protected.
- Created their own rules prohibiting hunting and protecting wildlife from encroachments.
iii. Chipko Movement, Himalayas:
- Resisted deforestation in several regions.
- Demonstrated success of community afforestation using indigenous species.
iv. Ecological Farming:
- Beej Bachao Andolan, Tehri, and Navdanya have shown viable ecological farming without synthetic chemicals.
- Joint Forest Management (JFM):
- Initiated in 1988 in Odisha.
- Local communities protect degraded forest lands managed by the forest department.
- In return, communities benefit from non-timber forest produce and a share in harvested timber.
- Key Takeaways:
- Local communities play a pivotal role in environmental conservation.
- Emphasis on involving communities in natural resource management.
- Need to prioritize economic or developmental activities that are people-centric, environmentally friendly, and economically rewarding.
Additional Concepts
Biodiversity and Conservation in India
- Lepcha Folk Song:
- A tribute to Narak, the creator of music for the Lepchas.
- Draws inspiration from nature - springs, rivers, mountains, forests, etc.
- Biodiversity:
- Richness in wildlife and cultivated species.
- Complex system with interdependencies.
- Project Tiger (1973):
i. Background:
- The tiger population reduced from 55,000 to 1,827 by 1973.
- Threats: poaching, shrinking habitat, human population, etc.
ii. Importance:
- India and Nepal house two-thirds of the global tiger population.
- Preservation is crucial not just for the species but for preserving biotypes.
iii. Tiger Reserves:
- Corbett, Sunderbans, Bandhavgarh, Sariska, Manas, and Periyar.
- Sacred Groves:
i. Definition:
- Forests preserved due to traditional beliefs and nature worship.
ii. Tribal Beliefs:
- Mundas and Santhal worship mahua and kadamba trees.
- Tribals of Odisha and Bihar revere tamarind and mango trees during weddings.
- Peepal and banyan trees are considered sacred.
iii. Animals in Religion:
- Macaques and langurs near temples.
- Blackbuck, chinkara, nilgai, and peacocks are protected in Bishnoi villages.
- Quote by Gautama Buddha:
- Emphasizes the selfless nature of trees, providing even to those who harm them.
Chapter 3 - Water Resources
Introduction
Water Availability and Scarcity
- Earth's Water Composition:
- 75% of the earth's surface is water-covered.
- Only a small fraction is freshwater.
- Sources of Freshwater: i. Surface Runoff: Water flowing on the surface. ii. Groundwater: Water present underground.
- Hydrological Cycle:
- Continuous renewal and recharging of water sources.
- Ensures water is a renewable resource.
- Water Scarcity Paradox: i. Question: Despite abundant water and its renewability, why do regions suffer from water scarcity? ii. Prediction: By 2025, almost two billion people could face absolute water scarcity.
Water Scarcity and the need for Water Conservation and Management
Water Scarcity, Conservation, and Management
- Perception of Water Scarcity:
- Despite water's abundance and renewability, scarcity is a concern.
- Regions with low rainfall and drought-prone areas are often associated with water scarcity.
- Causes of Water Scarcity: i. Natural Factors: Variations in precipitation and seasonal changes. ii. Human-induced Causes: Over-exploitation, excessive use, and unequal access. iii. Population Growth: Greater population leads to higher water and food demands. iv. Irrigated Agriculture: Largest consumer of water; over-exploitation for increased food production. v. Industrialisation and Urbanisation: Industries are heavy users of water; urban centers exert pressure on water resources.
- Hydroelectric Power:
- Contributes approximately 22% of total electricity in India.
- Significant user of water resources.
- Water Quality Concerns: i. Pollution: From domestic and industrial wastes, chemicals, pesticides, and fertilizers. ii. Health Hazards: Polluted water can be hazardous for human use.
- Government Initiatives: The government of India focuses on providing access to safe drinking water.
- The Imperative of Water Management:
- Need to ensure health safety, food security, livelihood continuity, and ecosystem protection.
- Over-exploitation and mismanagement can lead to an ecological crisis.
Multi-Purpose River Projects and Integrated Water Resources management
- Historical Context:
- Ancient practices: Hydraulic structures like dams, reservoirs, and canals for irrigation.
- Post-Independence: Emphasis on multi-purpose river projects.
- Dams and Their Uses: i. Traditional Use: Impound rivers and rainwater for irrigation. ii. Modern Uses: Electricity generation, domestic & industrial water supply, flood control, recreation, navigation, fish breeding.
- Multi-Purpose Projects: i. Definition: Integration of various uses of impounded water. ii. Examples: Bhakra-Nangal project (Hydel power & irrigation), Hirakud project (Water conservation & flood control). iii. Significance: Viewed as key to national development. Nehru called dams the ‘temples of modern India’.
- Critique of Multi-Purpose Projects: i. Environmental Concerns: - Affect the natural flow of rivers. - Poor sediment flow, and excessive sedimentation. - Fragmentation of rivers impacting aquatic life. - Submergence of vegetation & soil. ii. Societal Concerns: - Large-scale displacement of communities. - Disparities in benefits: Favours landowners, industrialists, and urban areas. - Changes in cropping patterns; ecological consequences. - Salinisation of soil; widened social gap between rich and poor. iii. Conflicts and Disputes: - Conflicts over water use. - Interstate water disputes over costs and benefits. iv. Failure of Projects: - Dams triggering floods due to sedimentation. - Unsuccessful flood control during heavy rains. - Induced earthquakes, water-borne diseases, pests, pollution.
- Overall Perspective:
- Dams and multi-purpose projects have both benefits and drawbacks.
- Essential to balance development goals with environmental and societal concerns.
Rainwater Harvesting
- Background:
- Multi-purpose projects faced resistance and disadvantages.
- Water harvesting is seen as a socio-economically and environmentally viable alternative.
- Ancient Techniques:
- i. Knowledge Base: Ancient India had a deep understanding of rainfall regimes and soil types.
- ii. Techniques:
- Himalayas: Diversion channels called 'guls' or 'kuls' for agriculture.
- Rajasthan: 'Rooftop rainwater harvesting' for drinking water.
- Bengal: Inundation channels for field irrigation.
- Arid Regions: 'Khadins' in Jaisalmer and 'Johads' in Rajasthan.
- Tankas in Rajasthan:
- i. Design: Large underground tanks for storing drinking water.
- ii. Location: Inside the main house or courtyard.
- iii. Connection: Linked to rooftops via pipes. Initial rain was used to clean pipes; subsequent rainwater was collected.
- iv. Utility: Stored rainwater used for drinking, especially during summers.
- v. Modern Context: Decline in use due to the availability of canal water, but some still prefer it over tap water.
- Modern Adaptation:
- i. Decline and Revival: Decline in traditional methods, but revival in urban and rural areas.
- ii. Gendathur Case:
- Location: Mysuru, Karnataka.
- Implementation: Rooftop rainwater harvesting in nearly 200 households.
- Results: Each house collects about 50,000 liters annually. Combined annual harvest: 1,00,000 liters.
Additional Concepts
Water Conservation & Management
- Water Everywhere but Not a Drop to Drink:
- Post-heavy downpour: Struggles for clean water in Kolkata.
- Earthquake survivors in Kashmir fetching water in the snow.
- Indian rivers, including Ganga and Yamuna, face pollution.
- Modern assaults: Population growth, agriculture, urbanization, and industrialization.
- Hydraulic Structures in Ancient India:
- Sringaverapura: Water harvesting system channeling Ganga's floodwater (1st century B.C.).
- Chandragupta Maurya era: Extensive dams, lakes, and irrigation systems.
- Other significant structures: Kalinga, Nagarjunakonda, Bennur, and Kolhapur.
- Bhopal Lake (11th century): Largest artificial lake of its time.
- Hauz Khas tank (14th century) in Delhi by Iltutmish.
- Dams:
- Definition: Barrier obstructing water flow, creating a reservoir or lake.
- Types:
- By structure: Timber, embankment, masonry.
- By height: Low, medium, high.
- Issues:
- Environmental concerns: Ecosystem disruptions, sedimentation.
- Social concerns: Displacement, Narmada Bachao Andolan.
- Inter-state disputes: Krishna-Godavari dispute.
- Significant Dams:
- Sardar Sarovar Dam on Narmada: Covers Maharashtra, Madhya Pradesh, Gujarat, and Rajasthan.
- Rainwater Harvesting:
- Ancient Practices:
- Rajasthan: Rooftop rainwater harvesting into tankas.
- Shillong, Meghalaya: Almost every household uses rooftop harvesting.
- Tamil Nadu: Mandatory rooftop rainwater harvesting.
- Bamboo Drip Irrigation in Meghalaya:
- The 200-year-old system uses bamboo pipes.
- Transports water from springs to plants.
- Manipulation of bamboo pipes controls flow.
Chapter 4 - Agriculture
Introduction
Agriculture in India
- Significance:
- Agriculturally important nation.
- Primary activity producing food and raw materials.
- Population Engagement:
- Two-thirds of the population is involved in agricultural activities.
- Industrial Connection:
- Agriculture provides raw materials for various industries.
- Query: Industries based on agricultural raw material?
- Exports:
- Products like tea, coffee, spices, etc. are exported.
Types of farming
Types of Farming in India
- Primitive Subsistence Farming
- Practiced in select regions of India.
- Use of primitive tools (e.g. hoe, dao).
- Relies on monsoon, soil fertility, and environmental conditions.
- Slash and Burn:
- Clear land, cultivate until soil fertility decreases, then shift to new land.
- Allows nature to replenish soil fertility.
- Known by various names:
- Jhumming: Assam, Meghalaya, Mizoram, Nagaland
- Pamlou: Manipur
- Dipa: Bastar district, Chhattisgarh
- Andaman and Nicobar Islands
- Intensive Subsistence Farming
- Practiced in high-population areas.
- Labor-intensive with high biochemical inputs and irrigation.
- Maximum output from limited land due to inheritance land division.
- Pressure on agricultural land.
- Commercial Farming
- Use of modern inputs (HYV seeds, chemical fertilizers, etc.) for high productivity.
- The degree of commercialisation varies by region.
- Example: Rice is commercial in Haryana and Punjab but subsistence in Odisha.
- Plantation Farming:
- Single crop grown on a large area.
- Interface of agriculture and industry.
- Capital intensive with migrant labor.
- Produce used as industrial raw material.
- Examples: Tea in Assam and coffee in Karnataka.
Cropping Pattern
Cropping Pattern in India
- Overview
- India's diverse physical and cultural landscape is reflected in its agricultural practices.
- Various crops include food and fiber crops, vegetables, fruits, spices, condiments, etc.
- Cropping Seasons
- Sowing Time: October to December
- Harvesting Time: April to June
- Major Crops: Wheat, barley, peas, gram, mustard
- Major Growing Areas: Punjab, Haryana, Himachal Pradesh, Jammu & Kashmir, Uttarakhand, Uttar Pradesh
- Factors for Success: Winter precipitation (due to western temperate cyclones) and the success of the Green Revolution
- Sowing Time: Onset of monsoon
- Harvesting Time: September to October
- Major Crops: Paddy, maize, jawar, bajra, tur (arhar), moong, urad, cotton, jute, groundnut, soybean
- Major Rice-Growing Areas: Assam, West Bengal, Odisha, Andhra Pradesh, Telangana, Tamil Nadu, Kerala, Maharashtra (Konkan coast), Uttar Pradesh, Bihar
- Special Note: Assam, West Bengal, and Odisha grow three paddy crops annually: Aus, Aman, and Boro.
- Short Season: Between rabi and Kharif
- Major Crops: Watermelon, muskmelon, cucumber, vegetables, fodder crops
- Special Mention: Sugarcane (takes almost a year to grow)
a. Rabi (Winter)
b. Kharif (Monsoon)
c. Zaid (Summer)
Major Crops
Major Crops of India
- Introduction
- India produces a variety of crops due to diverse soil, climate, and cultivation practices.
- Major crops: rice, wheat, millets, pulses, tea, coffee, sugarcane, oil seeds, cotton, jute, etc.
- Rice
- Staple food for the majority; India is the 2nd largest producer globally.
- Season: Kharif
- Requirements: High temperature (>25°C), high humidity, annual rainfall >100 cm.
- Major Growing Areas: Plains of north and northeast, coastal areas, deltaic regions.
- States: Punjab, Haryana, western Uttar Pradesh, and parts of Rajasthan (due to irrigation).
- Wheat
- 2nd most important cereal; is the main food in the north and north-west.
- Season: Rabi
- Requirements: Cool growing season, bright sunshine during ripening, 50-75 cm annual rainfall.
- Major Growing Zones: Ganga-Satluj plains (north-west), black soil region (Deccan).
- States: Punjab, Haryana, Uttar Pradesh, Madhya Pradesh, Bihar, Rajasthan.
- Millets
- 3rd most important food crop.
- Grows in moist areas, mainly rain-fed.
- States: Maharashtra, Karnataka, Andhra Pradesh, Madhya Pradesh.
- Grows on sandy soils and shallow black soil.
- States: Rajasthan, Uttar Pradesh, Maharashtra, Gujarat, Haryana.
- Grows in dry regions on various soils.
- States: Karnataka, Tamil Nadu, Himachal Pradesh, Uttarakhand, Sikkim, Jharkhand, Arunachal Pradesh.
a. Jowar
b. Bajra
c. Ragi
- Maize
- Use: Food and fodder.
- Season: Kharif (also Rabi in Bihar)
- Requirements: 21°C to 27°C temperature, old alluvial soil.
- States: Karnataka, Madhya Pradesh, Uttar Pradesh, Bihar, Andhra Pradesh, Telangana.
- Pulses
- India is the largest producer and consumer globally.
- A major source of protein for vegetarians.
- Types: Tur (arhar), urad, moong, masur, peas, gram.
- Pulses (except arhar) restore soil fertility by nitrogen fixation.
- States: Madhya Pradesh, Rajasthan, Maharashtra, Uttar Pradesh, Karnataka.
Map 1
Map 2
Food Crops other than Grains
Food Crops (Other than Grains) in India
- Sugarcane
- Climate: Tropical & subtropical, 21°C-27°C.
- Rainfall: 75-100 cm (irrigation in low rainfall areas).
- Significance: 2nd largest producer (after Brazil).
- Uses: Sugar, gur (jaggary), khan sari, molasses.
- States: Uttar Pradesh, Maharashtra, Karnataka, Tamil Nadu, Andhra Pradesh, Telangana, Bihar, Punjab, Haryana.
- Oil Seeds
- India: 2nd largest in groundnut production (after China, 2018); 3rd in rapeseed (after Canada & China, 2018).
- Crops: Groundnut, mustard, coconut, sesamum (til), soybean, castor seeds, cotton seeds, linseed, sunflower.
- Groundnut: Kharif crop, majorly in Gujarat, Rajasthan, Tamil Nadu.
- Linseed & Mustard: Rabi crops.
- Sesamum: Kharif in the north, rabi in the south.
- Castor Seed: Both rabbi & kharif.
- Tea
- Climate: Tropical & sub-tropical with deep, fertile, well-drained soil.
- Requirements: Warm, moist, frost-free climate; frequent showers.
- Significance: 2nd largest producer (after China, 2018).
- States: Assam, West Bengal (Darjeeling, Jalpaiguri), Tamil Nadu, Kerala, Himachal Pradesh, Uttarakhand, Meghalaya, Andhra Pradesh, Tripura.
- Coffee
- Variety: Arabica (from Yemen).
- Region: Baba Budan Hills.
- States: Karnataka, Kerala, Tamil Nadu.
- Horticulture Crops
- Significance: 2nd largest producer of fruits & vegetables (after China, 2018).
- Fruits: Mangoes, oranges, bananas, litchi, guava, pineapples, grapes, apples, pears, apricots, walnuts.
- Vegetables: Pea, cauliflower, onion, cabbage, tomato, brinjal, potato.
- Noted States: Maharashtra, Andhra Pradesh, Telangana, Uttar Pradesh, West Bengal, Kerala, Mizoram, Nagpur, Meghalaya, Jammu and Kashmir, Himachal Pradesh.
Non-Food Crops
Non-Food Crops in India
- Rubber
- Climate: Equatorial crop; also in tropical and sub-tropical with >200 cm rainfall and >25°C temperature.
- Significance: Vital industrial raw material.
- Regions: Kerala, Tamil Nadu, Karnataka, Andaman and Nicobar islands, Garo hills of Meghalaya.
- Fibre Crops: Derived from soil-based crops and silkworms.
- Cotton
- Origin: Believed to be from India.
- Significance: Main raw material for the cotton textile industry; 2nd largest producer in 2017 (after China).
- Requirements: Drier parts of black cotton soil, high temperature, light rainfall/irrigation, 210 frost-free days, bright sunshine.
- Season: Kharif crop, matures in 6-8 months.
- States: Maharashtra, Gujarat, Madhya Pradesh, Karnataka, Andhra Pradesh, Telangana, Tamil Nadu, Punjab, Haryana, Uttar Pradesh.
- Jute (Golden Fibre)
- Growth conditions: Well-drained fertile soils in flood plains, high temperature.
- Uses: Gunny bags, mats, ropes, yarn, carpets.
- States: West Bengal, Bihar, Assam, Odisha, Meghalaya.
- Challenges: Losing the market to synthetic fibres, especially nylon, due to high costs.
- Sericulture: Rearing of silkworms for silk fibre production.
Technological and Institutional Reforms
Technological and Institutional Reforms in Indian Agriculture
- Background
- Agriculture: Practised in India for millennia.
- Challenge: Sustained use of land without significant reforms, reliance on monsoon, and natural fertility.
- Need for Change: Agriculture supports livelihood for over 60% of the population.
- Post-Independence Institutional Reforms
- Priority Areas: Collectivisation, consolidation of holdings, cooperation, abolition of zamindari.
- Focus: Land reform during the First Five Year Plan.
- Issues: Right of inheritance led to fragmentation of land holdings.
- Land Reform Laws: Enacted but implementation was inconsistent.
- Agricultural Reforms (1960s and 1970s)
- Green Revolution: Use of package technology to boost production.
- White Revolution (Operation Flood): Aimed to revolutionize milk production.
- Result: Development concentrated in specific regions.
- Reforms in the 1980s and 1990s
- Objective: Comprehensive land development, including both institutional and technical reforms.
- Measures:
- Crop insurance against natural calamities and diseases.
- Establishment of Grameen banks and cooperative societies.
- Loans to farmers at lower interest rates.
- Introduction of Kissan Credit Card (KCC) and Personal Accident Insurance Scheme (PAIS).
- Special weather bulletins and agricultural programs on radio and TV.
- Government announcement of minimum support price to protect farmers from exploitation.
Additional Concepts
Slash and Burn Agriculture (Jhumming)
- Definition: A primitive form of cultivation where land is cleared, slashed, and burned for cultivation.
- Names Around the World:
- Mexico & Central America: Milpa
- Venezuela: Conoco
- Brazil: Roca
- Central Africa: Masole
- Indonesia: Ladang
- Vietnam: Ray
- Names in India:
- Madhya Pradesh: Bewar or Dahiya
- Andhra Pradesh: Podu or Penda
- Odisha: Pama Dabi, Koman, Bringa
- Western Ghats: Kumari
- Rajasthan: Valre or Walter
- Himalayan Belt: Khil
- Jharkhand: Kuruwa
- North-Eastern Region: Jhumming
- Story of Rinjha:
- Lives in Diphu, Assam.
- Participates in slash-and-burn cultivation.
- Unaware of the declining fertility and the need to find new land.
Bhoodan – Gramdan Movement
- Vinoba Bhave:
- Declared as spiritual heir by Mahatma Gandhi.
- Promoted Gandhi's concept of gram swarajya.
- Undertook Padyatra to spread Gandhi's message.
- Pochampalli Event:
- Landless villagers asked for land.
- Vinoba Bhave suggested cooperative farming.
- Shri Ram Chandra Reddy offered 80 acres of land for distribution (Bhoodan).
- Gramdan:
- Zamindars offered entire villages for distribution.
- Some gave land due to fear of the Land Ceiling Act.
- Significance:
- The bhoodan-Gramdan movement, initiated by Vinoba Bhave, is termed the "Bloodless Revolution".
Chapter 5 - Minerals and Energy Resources
Introduction
Usage of Metals in Daily Life
- Household Items: We use various items made of metals in our homes.
- Origin: Metals are extracted from minerals embedded in rocks within the earth’s crust.
Importance of Minerals
- Daily Necessities: Everything from pins to buildings and vehicles are made from minerals.
- Power Resources: Vehicles run on power resources derived from the earth.
- Food: Even our food contains minerals.
- Cultural & Ceremonial Significance: Minerals have been used for decoration, ceremonies, and religious rites.
Definition of Mineral
- Geological Definition: A homogenous, naturally occurring substance with a definable internal structure.
- Variety: They range from the hardest (diamond) to the softest (talc) forms.
Rocks & Minerals
- Composition: Rocks are combinations of minerals. Some rocks like limestone consist of one mineral, while most have several.
- Variety: Over 2000 minerals were identified, but only a few are commonly found in most rocks.
- Formation: Depends on the physical and chemical conditions, leading to a range of colors, hardness, crystal forms, luster, and density.
- Classification: Geologists classify minerals based on their properties.
General Classification of Minerals
- The text mentions a classification, but it's not provided in the given excerpt.
Flow Chart
Mode of Occurrence of Minerals
- Definition
- Ores: Accumulations of minerals mixed with other elements. The mineral content must be in a concentration making its extraction commercially viable.
- Types of Formations (i) Igneous and Metamorphic Rocks - Minerals in cracks, crevices, faults, or joints. - Smaller occurrences: veins; Larger: lodes. - Formed when minerals rise to the earth’s surface and solidify. - Examples: tin, copper, zinc, lead. (ii) Sedimentary Rocks - Minerals in beds or layers due to deposition and accumulation. - Examples: coal, iron ore, gypsum, potash salt, sodium salt. (iii) Decomposition of Surface Rocks - Decomposition leaves a residual mass with ores. - Example: Bauxite. (iv) Alluvial Deposits - Found in sands of valleys and bases of hills. - Called ‘placer deposits’. - Examples: gold, silver, tin, platinum. (v) Ocean Waters and Beds - Ocean waters: common salt, magnesium, bromine. - Ocean beds: manganese nodules.
- India's Mineral Resources
- Distribution: Unevenly distributed.
- Peninsular Rocks: Most reserves of coal, metallic minerals, mica, and other non-metallic minerals.
- Sedimentary Rocks: Petroleum deposits in Gujarat and Assam.
- Rajasthan: Reserves of many non-ferrous minerals.
- North Indian Plains: Largely devoid of economic minerals.
- Economic Viability: Concentration in ore, extraction ease, and market proximity affect viability.
Ferrous Minerals
- Overview
- Ferrous minerals make up about 75% of the total production value of metallic minerals.
- Serve as the foundation for metallurgical industries.
- India exports significant quantities after domestic consumption.
- Iron Ore
- Description: Basic mineral; the backbone of industrial development.
- Types:
- Magnetite: Finest iron ore with up to 70% iron content; valuable in the electrical industry.
- Hematite: Most important in terms of usage, 50-60% iron content.
- Production (2018–19): 97% from Odisha, Chhattisgarh, Karnataka, Jharkhand; 3% elsewhere.
- Major Belts:
- Odisha-Jharkhand: High-grade hematite in Badampahar (Odisha) & Gua, Noamundi (Jharkhand).
- Durg-Bastar-Chandrapur: High-grade hematites in Bailadila (Chhattisgarh); exported via Vishakhapatnam.
- Ballari-Chitradurga-Chikkamagaluru-Tumakuru: Large reserves in Karnataka; Kudremukh mines known globally.
- Maharashtra-Goa: Includes Goa and Ratnagiri (Maharashtra); not the highest quality but efficiently exploited.
- Manganese
- Usage: Predominantly in steel and ferro-manganese alloy production.
- Requirement: About 10 kg of manganese for every tonne of steel.
- Other Uses: Bleaching powder, insecticides, paints.
Chart
Non-Ferrous Minerals
- Overview
- Non-ferrous minerals include copper, bauxite, lead, zinc, and gold.
- Vital for metallurgical, engineering, and electrical industries.
- Copper
- Usage: Electrical cables, electronics, and chemical industries due to their malleability, ductility, and conductivity.
- Major Producers:
- Balaghat mines (Madhya Pradesh)
- Khetri mines (Rajasthan)
- Singhbhum (Jharkhand)
- Bauxite
- Description: Primary source for obtaining alumina and then aluminum.
- Features: Combines metal strength with lightness, good conductivity, and malleability.
- Formation: Decomposition of rocks rich in aluminum silicates.
- Major Producers:
- Amarkantak plateau, Maikal hills, Bilaspur-Katni plateau.
- Odisha (largest producer in 2016-17), especially Panchpatmali deposits in Koraput district.
Non-Metallic Minerals
- Mica
- Description: Mineral of series of plates or leaves; splits easily into thin sheets.
- Colors: Clear, black, green, red, yellow, brown.
- Usage: Due to its dielectric strength and insulating properties, vital for electric and electronic industries.
- Major Producers:
- Northern edge of Chota Nagpur plateau: Koderma-Gaya-Hazaribagh (Jharkhand)
- Around Ajmer (Rajasthan)
- Nellore mica belt (Andhra Pradesh)
Rock Minerals
- Limestone
- Description: Found with rocks composed of calcium or calcium and magnesium carbonates.
- Usage: Basic raw material for cement and essential for smelting iron ore.
- Importance: Safety regulations and environmental laws are crucial for sustainable mining.
Map
Chart
Conservation of Minerals
- Dependence on Minerals
- Industry and agriculture heavily rely on mineral deposits and manufactured substances from them.
- Limited Availability
- Workable mineral deposits constitute only 1% of the earth's crust.
- These resources took millions of years to form and concentrate.
- Geological processes for mineral formation are slow; replenishment rates are minuscule compared to consumption rates.
- Finite and Non-renewable Nature
- Mineral resources are limited and cannot be replenished.
- They represent valuable but short-lived assets for countries.
- Continual extraction leads to:
- Higher costs due to mining from greater depths.
- Decrease in the quality of ores.
- Need for Sustainable Use
- Emphasize planned and sustainable consumption of mineral resources.
- Adopt and evolve better technologies:
- Allows use of low-grade ores at reduced costs.
- Embrace recycling and use of scrap metals.
- Explore and utilize substitutes to conserve mineral resources for future generations.
Energy Resources
- Introduction
- Energy is essential for all activities: cooking, lighting, transportation, and industrial operations.
- Classification of Energy Sources
- Conventional sources: Firewood, cattle dung cake, coal, petroleum, natural gas, and electricity.
- Non-conventional sources: Solar, wind, tidal, geothermal, biogas, and atomic energy.
- Conventional Sources
- Coal
- Abundant fossil fuel in India.
- Used for power generation, industrial energy, and domestic needs.
- Major coal reserves: Damodar Valley, Godavari, Mahanadi, Son, and Wardha valleys.
- Petroleum
- Used for heat, lighting, and as a raw material for various industries.
- Major reserves: Mumbai High, Gujarat, and Assam.
- Natural Gas
- Found with petroleum.
- Used for electricity, heating, and as raw material for various industries.
- Major reserves: Mumbai High, Cambay basin, Krishna-Godavari basin.
- Electricity
- Generated from hydro (water) and thermal (fossil fuels) sources.
- Hydroelectricity: Generated by fast-flowing water.
- Thermal electricity: Generated by burning coal, petroleum, and natural gas.
- Non-Conventional Sources
- Nuclear/Atomic Energy
- Energy from altering atomic structures.
- Sources: Uranium and Thorium.
- Solar Energy
- Abundant in India due to its tropical location.
- Used in rural areas and for large power plants.
- Wind Power
- Major wind farm: Tamil Nadu (from Nagercoil to Madurai).
- Biogas
- Produced from shrubs, farm waste, and animal/human waste.
- Known as 'Gobar gas' in rural India.
- Tidal Energy
- Uses oceanic tides to generate electricity.
- Ideal locations: Gulf of Khambhat, Gulf of Kuchchh, and Sunderban regions.
- Geo-Thermal Energy
- Produced using heat from the Earth's interior.
- Locations: Parvati Valley (Himachal Pradesh) and Puga Valley (Ladakh).
Map - Conventional Energy Resources
Map - Non-Conventional Energy Resources
Conservation of Energy Resources
- Introduction
- Energy: Essential for every economic sector (agriculture, industry, transport, commercial, domestic).
- Post-Independence development plans led to a steady rise in energy consumption.
- Need for Sustainable Energy Development
- Rapid energy consumption underscores the importance of sustainable energy paths.
- Two key strategies:
- Energy conservation.
- Increased use of renewable energy sources.
- India's Energy Efficiency
- Currently, one of the least energy-efficient countries globally.
- Approaches for Judicious Energy Use
- Utilize public transport over individual vehicles.
- Switch off unused electrical devices.
- Incorporate power-saving devices.
- Opt for non-conventional energy sources.
- Takeaway Thought
- "Energy saved is energy produced."
Additional Concepts
Haban's Experience in Guwahati
- Observations
- Moving "house-like" structures on roads.
- "Kitchens" pulling houses.
- Father's Explanation
- They are buses and trains, not houses.
- Made of metals (iron, aluminium).
- Driven by engines that need energy.
Toothpaste and Minerals
- Toothpaste Composition
- Silica, limestone, aluminium oxide, and phosphate minerals for cleaning.
- Fluoride (from fluorite) for cavity reduction.
- Titanium oxide for whiteness.
- Sparkle from mica.
- Toothbrush and tube made from petroleum-based plastics.
Life and Minerals
- Importance
- Essential for life processes.
- Constitute 0.3% of nutrient intake but are vital for utilizing the rest.
Study of Minerals
- Geographers
- Study minerals for landform understanding and economic activities.
- Geologists
- Interested in mineral formation, age, and composition.
Rat-Hole Mining in Meghalaya
- Ownership
- Minerals in northeast tribal areas are owned by individuals or communities.
- Mining Method
- Family members dig long, narrow tunnels.
- Such mining was declared illegal by the National Green Tribunal.
Origin of Names
- Bailadila Hills
- Looks like an ox's hump.
- Kudre
- Means horse in Kannada, relating to the peak's appearance in Karnataka.
Post-Discovery of Aluminium
- Napoleon III's Usage
- Used aluminium for buttons, hooks, and serving esteemed guests.
- Shift in Usage
- Aluminium became common in Paris, even among beggars.
Hazards of Mining
- Health Concerns
- Miners were vulnerable to pulmonary diseases from dust and fumes.
- Threats: collapsing roofs, fires, inundation.
- Environmental Concerns
- Water contamination.
- Land degradation and pollution due to waste dumping.
Chapter 6 - Manufacturing Industries
Introduction
Manufacturing
- Definition
- Production of goods in large quantities by processing raw materials into more valuable products.
- Examples
- Paper from wood.
- Sugar from sugarcane.
- Iron and steel from iron ore.
- Aluminium from bauxite.
- Some clothes are from industrially produced yarn.
- People Involved
- Engage in secondary activities.
- Transform primary materials into finished goods.
- Examples: Workers in steel factories, car manufacturing, breweries, textile industries, and bakeries.
- Significance
- Manufacturing industries fall under the secondary sector.
- The development of manufacturing industries indicates a country's economic strength.
Importance of Manufacturing
- Backbone of Economic Development
- Modernises agriculture.
- Reduces dependence on agricultural income.
- Provides non-agricultural job opportunities.
- Eradication of Socio-Economic Issues
- Aims at reducing unemployment and poverty.
- The strategy behind public sector industries and joint sector ventures.
- Addresses regional disparities by promoting industries in tribal and backward areas.
- Boost to Trade
- Export of manufactured goods:
- Expands trade and commerce.
- Earns foreign exchange.
- Value Addition and Prosperity
- Countries prosper by transforming raw materials into higher-value finished goods.
- India's prosperity is linked to diversifying and enhancing its manufacturing sector.
- Interdependence with Agriculture
- Agro-industries elevate agricultural productivity.
- Industries rely on agriculture for raw materials.
- Provide products to agriculturists: irrigation pumps, fertilizers, insecticides, machinery, etc.
- Globalization and Competitiveness
- Need for efficiency and quality in manufacturing.
- Manufactured goods should match international standards for global competitiveness.
Agro Based Industries
- Overview
- Industries derived from agricultural raw materials.
- Includes textiles (cotton, jute, silk, wool), sugar, edible oil, etc.
- Textile Industry
- Significant contributor to industrial production, employment, and foreign exchange.
- Only industry in India that's self-reliant from raw material to finished product.
- Ancient India used hand spinning and weaving.
- The colonial period saw a decline due to competition with British mill-made cloth.
- Initially concentrated in Maharashtra and Gujarat.
- Linked with agriculture, providing livelihood to various workers.
- High-quality spinning, but low-quality weaving.
- Weaving methods: handloom, powerloom, mills.
- Khadi is a significant handspun textile, providing employment as a cottage industry.
- India is the top producer and second-largest exporter after Bangladesh.
- Major concentration in West Bengal, especially along the Hugli River.
- Factors: Proximity to jute production, transport facilities, water availability, cheap labor, banking, and port facilities in Kolkata.
- India is the second-largest sugar producer, but top in gur and khandsari.
- Major locations: Uttar Pradesh, Bihar, Maharashtra, Karnataka, Tamil Nadu, etc.
- 60% of mills in Uttar Pradesh and Bihar.
- Tendency to shift to southern and western states due to higher sucrose content in cane and longer crushing season.
- The cooperative sector is prominent and successful, especially in southern states.
2.1. Cotton Textiles
2.2. Jute Textiles
2.3. Sugar Industry
Flow chart
Map
Mineral Based Industries
- Definition
- Industries utilizing minerals and metals as primary raw materials.
- Iron and Steel Industry
- Considered the basic industry due to its importance for other industries.
- Essential for production of:
- Engineering goods
- Construction material
- Defense items
- Medical and telecommunication equipment
- Consumer goods
- Production and consumption of steel is an indicator of a country's development.
- Requires raw materials in the ratio: 4 (Iron ore): 2 (Coking coal): 1 (Limestone).
- Manganese is also required to harden the steel.
- Major concentration in the Chhotanagpur plateau region due to:
- Low iron ore cost
- Proximity to high-grade raw materials
- Affordable labor
- Growth potential in the domestic market
- Aluminium Smelting
- Second most crucial metallurgical industry.
- Aluminum properties:
- Lightweight
- Corrosion-resistant
- Good heat conductor
- Malleable
- Strengthens when mixed with other metals
- Uses: aircraft, utensils, wires, and as a substitute for steel, copper, zinc, and lead.
- Major plants located in Odisha, West Bengal, Kerala, Uttar Pradesh, Chhattisgarh, Maharashtra, and Tamil Nadu.
- Bauxite is the primary raw material. It is a bulky, dark reddish rock.
- Factors influencing location:
- Consistent electricity supply
- Assured raw material source at minimal cost
Flow chart
Map
Flow chart
Chemical Industries
- Overview
- Fast-growing and diversifying sector.
- Comprises both large and small-scale units.
- Inorganic Chemicals
- Products: sulphuric acid, nitric acid, alkalies, soda ash, caustic soda.
- Uses: manufacturing of fertilizers, synthetic fibers, plastics, adhesives, paints, dyes, glass, soaps, detergents, and paper.
- Spread widely across the country.
- Organic Chemicals
- Includes petrochemicals.
- Uses: production of synthetic fibers, synthetic rubber, plastics, dye-stuffs, drugs, and pharmaceuticals.
- Located near oil refineries or petrochemical plants.
- Consumer Aspect
- The chemical industry is a significant consumer of its own products.
- Basic chemicals undergo further processing for various applications.
Fertilizer Industry
- Types of Fertilizers
- Nitrogenous fertilizers (mainly urea).
- Phosphatic fertilizers and ammonium phosphate (DAP).
- Complex fertilizers (combination of N, P, K).
- Raw Material
- Potash is entirely imported, with no domestic reserves of commercially usable potash.
- Expansion
- Spread after the Green Revolution.
- Major producers: Gujarat, Tamil Nadu, Uttar Pradesh, Punjab, Kerala.
- Other producers: Andhra Pradesh, Odisha, Rajasthan, Bihar, Maharashtra, Assam, West Bengal, Goa, Delhi, Madhya Pradesh, Karnataka.
Cement Industry
- Significance
- Essential for various construction activities.
- Raw Materials
- Requires limestone, silica, and gypsum.
- Needs coal, electric power, and rail transportation.
- Strategic Locations
- Plants in Gujarat for access to the Gulf countries' market.
Automobile Industries
- Role
- Provides vehicles for quick transport.
- Includes trucks, buses, cars, motorcycles, scooters, three-wheelers, and multi-utility vehicles.
- Growth Factors
- Post-liberalisation introduced new and modern models.
- Stimulated demand for various vehicles, especially passenger cars, two and three-wheelers.
- Key Locations
- Delhi, Gurugram
- Mumbai, Pune
- Chennai
- Kolkata
- Lucknow, Indore
- Hyderabad
- Jamshedpur
- Bengaluru
Information Technology and Electronics Industry
- Scope
- Covers a broad spectrum of products: transistors, television, telephones, cellular telecom, telephone exchange, radars, computers, and other telecommunication equipment.
- Key Locations
- Bengaluru: Recognized as the electronic capital of India.
- Other significant centers:
- Mumbai, Delhi, Hyderabad, Pune, Chennai, Kolkata, Lucknow, Coimbatore.
- Major industry concentrations:
- Bengaluru, Noida, Mumbai, Chennai, Hyderabad, Pune.
- Impact
- Significant employment generation.
- Continuous growth in both hardware and software sectors drives the industry's success.
Map
Industrial Pollution and Environmental Degradation
- Introduction
- Despite economic benefits, industries significantly contribute to environmental degradation.
- Four main types of pollution:
- (a) Air
- (b) Water
- (c) Land
- (d) Noise
- Air Pollution
- Caused by undesirable gases: sulfur dioxide, carbon monoxide, etc.
- Sources: Chemical & paper factories, brick kilns, refineries, smelting plants, fossil fuel burning.
- Effects: Affects human health, animals, plants, buildings, atmosphere.
- Water Pollution
- Caused by industrial wastes and effluents in rivers.
- Major culprits: Paper, pulp, chemical, textile, dyeing, petroleum refineries, tanneries, electroplating industries.
- Resulting issues:
- Thermal pollution from hot water discharge.
- Radioactive wastes cause health issues.
- Groundwater contamination.
- Land Pollution
- Wastes (glass, chemicals, packaging, salts, garbage) render soil useless.
- Rain carries pollutants to the ground, affecting groundwater.
- Noise Pollution
- Resulting in irritation, anger, hearing impairments, and increased heart rate.
- Sources: Industrial activities, machinery, construction, generators, drills.
- Control of Environmental Degradation
- Strategies to reduce water pollution:
- (i) Reusing and recycling water.
- (ii) Rainwater harvesting.
- (iii) Treating hot water and effluents before releasing.
- Treatment of effluents:
- (a) Mechanical methods.
- (b) Biological processes.
- (c) Chemical, biological, and physical recycling processes.
- Groundwater overdraw prevention.
- Air pollution control with electrostatic precipitators, fabric filters, and scrubbers.
- Reduction of noise through redesigning machinery, using noise-absorbing materials, silencers, and earplugs.
- Sustainable Development
- Need for balancing economic development with environmental concerns.
Additional Concepts
Classification of Industries
- Introduction
- Harish's visit to the market during Diwali.
- Observation of diverse products and their sources explained by his father.
- Classification Based on Raw Materials
- Agro-based: Items like cotton, woollen, jute, silk textiles, rubber, sugar, tea, coffee, and edible oil.
- Mineral-based: Industries like iron and steel, cement, aluminium, machine tools, and petrochemicals.
- Classification by Role
- Basic or key industries: Supply products as raw materials for other goods. Examples include iron and steel, copper smelting, and aluminium smelting.
- Consumer industries: Produce goods directly for consumers, such as sugar, toothpaste, paper, sewing machines, and fans.
- Classification by Capital Investment
- Small scale industry: Defined by the maximum investment on assets, currently set at rupees one crore.
- Classification by Ownership
- Public sector: Owned and operated by government agencies (e.g., BHEL, SAIL).
- Private sector: Owned and operated by individuals or groups (e.g., TISCO, Bajaj Auto Ltd., Dabur Industries).
- Joint sector: Jointly run by the state and individuals or groups (e.g., Oil India Ltd.).
- Cooperative sector: Owned and operated by producers, workers, or both (e.g., sugar industry in Maharashtra, coir industry in Kerala).
- Classification by Weight of Goods
- Heavy industries: Use heavy raw materials (e.g., iron and steel).
- Light industries: Use light raw materials and produce light goods (e.g., electrical goods).
- Historical Context
- The first successful textile mill was established in Mumbai in 1854.
- The impact of world wars on India's cotton textile industry.
- Establishment of the first jute mill near Kolkata in 1855.
- NTPC's Environmental Approach
- NTPC: Major power-providing corporation with ISO certification for EMS 14001.
- Environmental Initiatives:
- (a) Optimal equipment utilization.
- (b) Waste minimization and ash utilization.
- (c) Green belts for ecological balance.
- (d) Pollution reduction strategies.
- (e) Ecological monitoring and data management.
Chapter 7 - Lifelines of the National Economy
Introduction
Transport, Communication, and Trade
- Introduction
- Daily life involves using various materials and services.
- Some are local, while others require transportation.
- Need for Transport
- Goods and services don't move on their own.
- Traders facilitate the movement of these goods/services.
- The development pace of a country is linked to both production and efficient transportation.
- Domains of Transport
- Land, Water, and Air: Basic categories of transport mediums.
- Evolution of Trade and Transport
- Initially, trade and transport were localized.
- Advancements in science and technology expanded their reach globally.
- The world is now akin to a "large village" due to efficient transport.
- Role of Communication
- Transport efficiency is boosted by a developed communication system.
- Both are mutually complementary.
- India's Connectivity
- Despite its vast size and diversity, India maintains strong global links.
- Contributing mediums: Railways, airways, waterways, newspapers, radio, television, cinema, and the internet.
- These mediums have fostered socio-economic progress.
- Importance of Transport & Communication
- They serve as the nation's lifelines.
- Essential for local, national, and global trade.
- A dense and efficient network is needed for today's trade dynamics.
Flow chart
Transport
Transport in India
- Roadways
- Overview: India has the second-largest road network in the world (62.16 lakh km as of 2020–21).
- Advantages:
- a. Lower construction cost compared to railways.
- b. Can traverse diverse topographies.
- c. Economical for short distances.
- d. Provides door-to-door service.
- e. Acts as feeder to other transport modes.
- Classification:
- Golden Quadrilateral Super Highways: Connects major cities.
- National Highways: Link extreme parts of the country.
- State Highways: Connect state capital to district headquarters.
- District Roads: Connect district headquarters to other district places.
- Other Roads: Link rural areas to towns.
- Border Roads: Maintained by Border Roads Organization; vital for strategic purposes.
- Railways
- Overview: Principal mode for freight and passengers.
- Significance: Integral to India's economic and social fabric.
- Distribution Influences: Physiography, economic factors, administrative considerations.
- Challenges: Ticketless travel, theft, damages, and unnecessary stops.
- Pipelines
- Overview: Used for transporting oil, gas, and solids (when made into slurry).
- Advantages: Low running cost and minimal trans-shipment losses.
- Major Networks:
- Assam to Uttar Pradesh (via several states).
- Gujarat to Punjab (via several states).
- Hazira-Vijaipur-Jagdishpur pipeline.
- Waterways
- Overview: Cheapest transport means; best for heavy, bulky goods.
- National Waterways:
- NW1: Ganga river.
- NW2: Brahmaputra river.
- NW3: West Coast Canal in Kerala.
- NW4: Specified stretches of Godavari and Krishna rivers.
- NW5: Specified stretches of Brahmani river and others.
- Seaports: 12 major and 200 notified non-major ports.
- Examples: Kandla, Mumbai, Marmagao, New Mangalore, Kochi, Tuticorin, Chennai, Vishakhapatnam, Paradwip, Kolkata, and Haldia.
- Airways
- Overview: Fastest and most prestigious mode; best for difficult terrains.
- Significance: Crucial for regions like northeastern states.
- Limitation: Not affordable for the general populace.
Map - Indian National Highways
Table
Map - Indian Railways
Map - Major Ports and Some International Airports
Communication
- Overview
- Communication has always been essential for humans.
- Modern advancements have made long-distance communication easier without physical movement.
- Postal Network
- Largest in the world.
- Handles personal communications and parcels.
- Mail Types:
- First-class: Cards, envelopes (airlifted).
- Second-class: Book packets, newspapers, periodicals (surface mail).
- Mail Channels:
- Rajdhani, Metro, Green, Business, Bulk Mail, and Periodical.
- Telecommunication
- Among the largest telecom networks in Asia.
- Over two-thirds of villages are covered by STD.
- Integration of space and communication tech provides a 24-hour STD facility.
- Uniform STD rate across India.
- Mass Communication
- Provides entertainment and awareness of national programs and policies.
- Radio: All India Radio (Akashwani) offers programs in various languages.
- Television: Doordarshan is one of the largest terrestrial networks worldwide.
- Print Media: Newspapers in ~100 languages. The largest number is in Hindi, then English and Urdu.
- Films: India is the world's largest feature film producer. Central Board of Film Certification certifies films.
International Trade
International Trade
- Definition
- Exchange of goods between countries.
- Trade Types
- Local Trade: Within cities, towns, and villages.
- State Level Trade: Between states.
- International Trade: Between countries; via sea, air, or land.
- Significance
- Indicator of economic prosperity.
- Essential for survival as resources are limited.
- Components of Trade
- Export: Goods/services sold to other countries.
- Import: Goods/services bought from other countries.
- Balance of Trade
- Favourable: Exports > Imports.
- Unfavourable: Imports > Exports.
- India's Trade
- Relations with major global trading blocks.
- Major Exports: Gems/jewellery, chemicals, agricultural products.
- Major Imports: Petroleum, electronics, machinery, agricultural products.
- Special Mention: Software exports earn significant foreign exchange.
Tourism as a Trade
- Overview
- Substantial growth in the past three decades.
- Economic Impact
- Employs over 15 million people directly.
- Benefits of Tourism
- Promotes national integration.
- Supports local handicrafts and cultural activities.
- Boosts understanding of Indian culture and heritage.
- Types of Tourism in India
- Heritage tourism
- Eco-tourism
- Adventure tourism
- Cultural tourism
- Medical tourism
- Business tourism
- Future Prospects
- Vast potential across the country.
- Efforts to promote diverse types of tourism.
Additional Concepts
Key Developments and Initiatives in India
- Atal Tunnel
- World's longest highway tunnel (9.02 Km).
- Constructed by: Border Road Organisation.
- Location: Pir Panjal range, Himalayas.
- Altitude: 3000 meters from MSL.
- Purpose: Connect Manali to Lahul-Spiti Valley year-round, bypassing the 6-month cutoff due to snow.
- Indian Railways
- Largest public sector undertaking.
- Historical Point: First train journey in 1853, Mumbai to Thane (34 km).
- Digital India
- Umbrella program for knowledge-based transformation.
- Objective: Use Indian Talent and Information Technology for a Better India Tomorrow.
- Central Idea: Technology as an enabler.