Geography is one of the **most scoring subjects** in UPSC Prelims, SSC, and State PSC exams — and **8–12 questions come directly from maps**. Master these 20 map-based Geography facts to guarantee **8+ free marks**.
1 The Tropic of Cancer passes through 8 states: Gujarat, Rajasthan, MP, Chhattisgarh, Jharkhand, WB, Tripura, Mizoram.
2 Indus River originates in Tibet (Kailash Range) and flows through Ladakh before entering Pakistan.
3 Ganga River originates as Bhagirathi from Gangotri Glacier (Uttarakhand).
4 Kaveri River originates in Kodagu (Karnataka) and flows through Tamil Nadu.
5 Chilika Lake (Odisha) is India’s largest brackish water lagoon.
6 Sambhar Lake (Rajasthan) is India’s largest inland saltwater lake.
7 Western Ghats (Sahyadri) run through Gujarat, Maharashtra, Goa, Karnataka, Kerala, TN.
8 Himalayas are divided into: Himadri (Greater), Himachal (Lesser), Shiwaliks (Outer).
9 Doddabetta is the highest peak in the Nilgiri Hills (Tamil Nadu).
10 Anamudi (Kerala) is the highest peak in Western Ghats and **South India**.
11 Kaziranga National Park (Assam) is famous for the One-horned Rhinoceros.
12 Sundarbans (WB) is the world’s largest mangrove forest and a UNESCO site.
13 Gir National Park (Gujarat) is the only home of the Asiatic Lion.
14 Jim Corbett National Park (Uttarakhand) is India’s oldest national park.
15 Black Soil (Regur) is found in Maharashtra, MP, Gujarat — ideal for cotton.
16 Alluvial Soil covers the Indo-Gangetic Plains — ideal for wheat & rice.
17 Laterite Soil is found in Karnataka, Kerala, Odisha — used for building bricks.
18 The Deccan Plateau is made of basaltic lava from volcanic eruptions 66 million years ago.
19 Thar Desert (Rajasthan) is India’s largest desert; Rann of Kutch (Gujarat) is a seasonal salt marsh.
20 India’s standard meridian is 82½°E, passing through Mirzapur, Uttar Pradesh.
🎯 How to Use This List
- ✅ Print a blank India map and label these 20 facts weekly.
- ✅ Focus on state-specific geography for PSC exams (e.g., Chilika → Odisha, Kaveri → TN).
- ✅ Revise with MCQs — e.g., “Which lake is in Odisha?” → Chilika.
Test your Geography knowledge with daily map-based MCQs — auto-updated, no login!
→ Practice Geography MCQsNote: All facts verified from NCERT Class 6–12 Geography and UPSC/SSC/PSC papers (2020–2025).