COMPLETE Geography NCERT Marathon: Class 6 to 12 from ZERO: P1 | UPSC 2026-2027 | Sudarshan Gurjar

简介：

The Ultimate 6-Hour Physical Geography Marathon for UPSC CSE 2026 is here! Cover the ENTIRE Physical Geography portion (Class 11 NCERT Fundamentals of Physical Geography + relevant Class 12 chapters) in one go – exactly the way UPSC asks. Why this marathon is a MUST: Every important concept explained slowly & clearly, Direct exam‑oriented approach, Diagrams & tricks that stick forever, Perfect for beginners & repeaters. Challenge: Complete this marathon in the next few days – Comment: “Day 1 Started” + when you finish! Take notes side‑by‑side, don’t skip, don’t speed up – absorb everything. Let’s crush Geography in 2026! 00:00:00 – Introduction & Strategy: How to complete the marathon and use NCERTs effectively for UPSC 00:01:55 – Special Offer: 50% OFF + Double Validity on Unacademy 00:03:24 – Interior of the Earth: Class 11 NCERT Chapter 3 begins 00:31:54 – Oceanic Basins: General overview 00:35:28 – Sources of Information: Direct (Mining, Drilling) vs Indirect (Seismic Waves, Meteorites) 00:49:46 – Earthquakes: Seismic activity and release of energy 01:20:40 – Focus & Epicenter: Origin points of earthquakes 01:28:41 – Lithosphere (स्थलमंडल): Structure of Earth’s upper layer 02:47:53 – Flood Basalt Provinces: Large-scale volcanic eruptions 02:53:22 – Volcanoes & Volcanic Landforms: Types and eruption styles 04:02:56 – Continental Drift Theory: Alfred Wegener & Jigsaw Fit 04:41:38 – Sea Floor Spreading: Mapping the ocean floor 04:45:02 – Mid-Oceanic Ridges (रिज): Formation of new crust 05:26:23 – Theory of Plate Tectonics: Continental vs Oceanic plates 05:34:59 – Central Eruptions: Volcanic mechanisms explained 05:40:31 – Plate Margins: Divergent, Convergent & Conservative boundaries 05:51:15 – 90° East Ridge (Prelims Special): Location & significance 05:51:36 – Conclusion & Final Tips: Discount details and next steps