100 Diagrams on following topics of Geography Optional Subject for Civil Services Mains Exam topics are available. Instant download PDF.
Paper I — Principles of Geography
A. Geomorphology
-
Continental Drift Theory and Its Evidences
-
Plate Tectonics and Global Tectonic Processes
-
Sea-Floor Spreading and Magnetic Anomalies
-
Isostasy and Crustal Equilibrium
-
Origin and Evolution of Fold Mountains
-
Earthquakes: Distribution, Causes and Impacts
-
Volcanism: Types, Processes and Landforms
-
Davisian Cycle of Erosion and Criticism
-
Penck’s Theory of Landscape Evolution
-
Slope Development and Slope Replacement
-
Fluvial Landforms and River Processes
-
Glacial Landforms and Glacial Erosion
-
Karst Topography and Limestone Landscapes
-
Aeolian Landforms and Desert Geomorphology
-
Coastal Landforms and Marine Processes
-
Applied Geomorphology and Disaster Management
B. Climatology
-
Earth’s Heat Budget and Temperature Distribution
-
Global Pressure Belts and Wind Systems
-
Jet Streams and Atmospheric Circulation
-
Origin and Mechanism of Indian Monsoon
-
El Niño, La Niña and Indian Monsoon
-
Walker Circulation and Southern Oscillation
-
Tropical Cyclones: Formation and Intensification
-
Temperate Cyclones and Weather Fronts
-
Köppen’s Climate Classification and Its Applications
-
Thornthwaite’s Climate Classification and Water Balance
-
Air Masses and Frontogenesis
-
Atmospheric Stability and Precipitation Processes
-
Global Warming and Climate Change Mechanisms
-
Climate Change Impacts on Extreme Weather
-
Ocean-Atmosphere Interactions and Teleconnections
-
Urban Climates and Urban Heat Islands
C. Oceanography
-
Ocean Floor Relief and Tectonic Features
-
Ocean Temperature and Salinity Distribution
-
Ocean Currents and Global Circulation
-
Thermohaline Circulation and Global Climate
-
Ocean Waves, Tides and Coastal Dynamics
-
Coral Reefs: Formation, Distribution and Threats
-
Marine Resources and Sustainable Ocean Development
-
Ocean Acidification and Marine Ecosystem Changes
D. Biogeography and Environmental Geography
-
Soil Formation, Classification and Distribution
-
Soil Erosion and Conservation Strategies
-
Ecosystem Structure, Function and Energy Flow
-
Biogeographical Realms and Species Distribution
-
Biodiversity Hotspots and Conservation Priorities
-
Ecological Succession and Climax Communities
-
Human Impacts on Ecosystem Stability
-
Environmental Degradation and Sustainable Development
-
Desertification: Causes, Processes and Control
-
Environmental Impact Assessment and Resource Management
E. Perspectives in Human Geography
-
Determinism, Possibilism and Neo-Determinism
-
Regional Synthesis and Areal Differentiation
-
Quantitative Revolution and Spatial Analysis
-
Behavioural Geography and Human Decision-Making
-
Welfare Geography and Spatial Justice
-
Radical Geography and Marxist Perspectives
-
Feminist Geography and Gendered Spaces
-
Postmodernism and Contemporary Geographical Thought
F. Economic, Population and Settlement Geography
-
Von Thünen’s Agricultural Land Use Model
-
Weber’s Industrial Location Theory
-
Christaller’s Central Place Theory
-
Lösch’s Market Area and Location Theory
-
Rostow’s Stages of Economic Growth
-
Population Distribution and Determinants of Density
-
Demographic Transition Theory and Its Limitations
-
Migration Theories and Spatial Mobility
-
Population Ageing and Demographic Dividend
-
Rural Settlement Patterns and Morphology
-
Urbanization, Urban Sprawl and Metropolitan Growth
-
Primate City and Rank-Size Rule
Paper II — Geography of India
G. Physical Setting of India
-
Geological Structure and Physiographic Evolution
-
Himalayan Formation and Regional Geomorphology
-
Peninsular Plateau: Structure and Evolution
-
Indo-Gangetic Plains: Formation and Characteristics
-
Indian Drainage Systems and River Regimes
-
Indian Monsoon: Mechanism and Regional Variability
-
Western Disturbances and Winter Precipitation
-
Tropical Cyclones and India’s Coastal Vulnerability
-
Droughts, Floods and Regional Climate Extremes
-
Indian Soils: Distribution and Regional Characteristics
H. Resources and Agriculture
-
Distribution of Major Mineral Resources in India
-
Energy Resources and India’s Energy Transition
-
Water Resources and Inter-State River Conflicts
-
Groundwater Depletion and Aquifer Management
-
Irrigation Development and Regional Disparities
-
Green Revolution: Regional Impacts and Limitations
-
Agricultural Regionalization and Cropping Patterns
-
Rainfed Agriculture and Climate Resilience
-
Agricultural Productivity and Regional Inequalities
-
Food Security and Sustainable Agricultural Development
I. Industries, Transport and Economic Geography
-
Industrial Location Factors and Regional Concentration
-
Industrial Corridors and Regional Economic Development
-
Iron and Steel Industry: Location and Changes
-
Cotton Textile Industry: Distribution and Challenges
-
Information Technology Clusters and Regional Development
-
Transport Networks and Regional Economic Integration
J. Population, Settlements and Regional Planning
-
Population Distribution and Demographic Regionalization
-
Internal Migration and Urbanization Challenges
-
Smart Cities and Sustainable Urban Development
-
Regional Planning and Interregional Disparities






