The Universe & the Solar SystemBig Bang, galaxies, Sun, planets, asteroids, comets✅ Live6 Prelims Qs2 Mains Qs25 min read🟠 MediumBig BangSolar SystemPlanetsGalaxies
The Earth — Shape, Motions, Geological Time, Moon & Magnetic FieldOblate spheroid, rotation, revolution, IDL, tides, magnetosphere✅ Live6 Prelims Qs3 Mains Qs28 min read🟠 MediumGeological TimeSolsticeEquinoxMoon
Geomorphology — Earth's SystemSpheres, Earth's interior, minerals and rocks✅ Live7 Prelims Qs4 Mains Qs30 min read🔴 HighLithosphereMantleRock CycleMohorovičić
Geomorphological Theories — Continental Drift, Sea-Floor Spreading & Plate TectonicsWegener to plate boundaries, hotspots, Indian plate✅ Live8 Prelims Qs5 Mains Qs32 min read🔴 HighContinental DriftPlate TectonicsMid-Ocean RidgeHotspots
Geomorphic Processes — Endogenic & Exogenic ForcesDiastrophism, volcanism, earthquakes, weathering, erosion✅ Live7 Prelims Qs4 Mains Qs34 min read🔴 HighVolcanismEarthquakesWeatheringMass Movement
Major Landforms — Fluvial · Glacial · Aeolian · Marine · KarstErosional and depositional landforms across all agents✅ Live7 Prelims Qs4 Mains Qs36 min read🔴 HighFluvialGlacialAeolianKarst
Atmosphere — Composition, Structure, Insolation & Heat BudgetAtmospheric layers, ozone, insolation, heat budget✅ Live7 Prelims Qs4 Mains Qs32 min read🔴 HighTroposphereInsolationHeat BudgetOzone
Atmospheric Pressure & Wind SystemsPressure belts, Coriolis, monsoon, jet streams✅ Live8 Prelims Qs4 Mains Qs34 min read🔴 HighTrade WindsMonsoonJet StreamCoriolis
Air Masses, Fronts & CyclonesTemperate and tropical cyclones, anticyclones, tornadoes✅ Live8 Prelims Qs5 Mains Qs36 min read🔴 HighAir MassesFrontsCyclonesAnticyclones
Water in the Atmosphere · Humidity · Clouds · PrecipitationHydrological cycle, cloud types, rainfall types✅ Live7 Prelims Qs4 Mains Qs34 min read🔴 HighHumidityCloudsPrecipitationMonsoon
World Climate Classification — Köppen · Trewartha · ThornthwaiteKöppen codes, climographs, India's climate zones✅ Live7 Prelims Qs4 Mains Qs36 min read🔴 HighKöppenTrewarthaThornthwaiteClimograph
Oceanography — Relief, Temperature, Salinity, Waves, Tides & CurrentsOcean floor, thermohaline circulation, AMOC✅ Live8 Prelims Qs4 Mains Qs40 min read🔴 HighOcean CurrentsTidesSalinityAMOC
Marine Resources & the Ocean EconomyUNCLOS, fisheries, polymetallic nodules, blue economy✅ Live6 Prelims Qs5 Mains Qs45 min read🔴 HighUNCLOSEEZBlue EconomyPolymetallic Nodules
Biogeography & EcosystemsBiomes, biodiversity hotspots, India's biogeographic zones✅ Live7 Prelims Qs5 Mains Qs45 min read🔴 HighBiomesBiodiversity HotspotsEcosystemsIUCN