Paper - IV - English - Unit - 1 - GEOGRAPHY OF INDIA WITH SPECIAL REFERENCE TO TAMIL NADU 1. UNIVERSE & SOLAR SYSTEM 2. SPHERES OF THE EARTH 3. EARTH - LITHOSPHERE – I 4. EARTH - LITHOSPHERE – II 5. ATMOSPHERE 6. HYDROSPHERE 7. GEOGRAPHY OF INDIA - PHYSIOGRAPHIC DIVISIONS & DRAINAGE SYSTEM 8. CLIMATE AND WEATHER 9. ROCKS & SOILS 10. INDIA – RESOURCES AND GREEN ENERGY 11. TAMIL NADU - PHYSICAL GEOGRAPHY, CLIMATE & SOILS 12. AGRICULTURE IN INDIA 13. INDUSTRIES IN INDIA 14. BIOSPHERE - NATURAL VEGETATION & WILD LIFE 15. INDIA – TRANSPORT, COMMUNICATION & TRADE 16. POPULATION & MIGRATION 17. HUMAN GEOGRAPHY OF TAMIL NADU – AGRICULTURE RESOURCES & INDUSTRIES 18. DISASTER 19. POLLUTION AND CLIMATE CHANGE