Understand UPSC Physical Geography Blue Book For Prelims 2026 English Medium INDEX 1.The Origin and Evolution of Earth 2.The Earth A Living Planet 3.Interior of Earth 4.Earthquake and Volcansm 5.Distribution of Oceans and Continents 6.Geomorphic Processes 7.Landforms 8.Composition and Structure of Atmosphere 9.Solar Radiation ,Heat Balance and Temperature 10.Atmospheric Circulation and Weather Systems 11.Water In Atmosphere 12.World Climate and Climate Change 13.Ocenography 14.Movents of Ocean Water 15.Ocean Deposits 16.Islands and Coral Reefs 17.Climatic Regions The Hot,Wet Equatorial Climate 18.Tropical Monsoon and Tropical Marine Climates 19.Savanna Or Climate 20.Hot Desert and Latitude Climates 21.Warm Temperate Margin Mediterranean Climate 22.The Temerate Margin Mediterranean Climate 23.The Temperate Contintal Steppe Climate 23.The Warn Temperte Eastern China Type 24.Cool Temperate Margin British Climate 25.The Cool Temperate Continental Siberian Climate 26.Cool Temperate Eastern Margin( Lauention Climate 27.The Arctic Polar Climate