UP Police Constable · Bite-size lessons
Indian Geography
About 7 min · General Knowledge · English
Time worked out from the lesson's 454 words at 150 words a minute, plus a minute for each question.
This topic integrates with current affairs (new states, projects, disasters) and Uttar Pradesh-specific geography.
Key ideas
- India's Location: Lies between 8°4'N to 37°6'N latitude and 68°7'E to 97°25'E longitude; Tropic of Cancer (23°30'N) passes through 8 states; southernmost point is Indira Point (Great Nicobar), northernmost is Indira Col (Siachen).
- Physiographic Divisions: India has six major divisions — The Himalayas (young fold mountains), Northern Plains (formed by Indus-Ganga-Brahmaputra), Peninsular Plateau (oldest landmass, Deccan Trap), Indian Desert, Coastal Plains (Western and Eastern), and Islands (Andaman-Nicobar in Bay of Bengal, Lakshadweep in Arabian Sea).
- Drainage Systems: India has two major systems — Himalayan rivers (perennial, snow-fed: Ganga, Brahmaputra, Indus) and Peninsular rivers (seasonal, rain-fed: Godavari, Krishna, Narmada, Tapti). Ganga is the longest river entirely in India (2525 km); Brahmaputra is longest in India overall when Tibet section included.
- Climate: India has tropical monsoon climate governed by Southwest Monsoon (June–September bringing 75% of annual rainfall) and Northeast Monsoon (October–December affecting Tamil Nadu coast). Four seasons: Winter, Summer, Monsoon, Post-Monsoon.
- Soil Types: India has eight soil types — Alluvial (most widespread, found in plains), Black/Regur (cotton-growing Deccan), Red (Deccan Plateau), Laterite (heavy rainfall areas), Arid/Desert (Rajasthan), Saline, Peaty, and Mountain soils.
Watch out for
- Confusing longest vs. largest rivers: Ganga is longest river entirely in India, but Brahmaputra is longer overall when including its Tibet course (Tsangpo). Students often state Ganga as "longest in India" without this nuance — exam questions specify "entirely in India" for clarity.
- Misremembering Tropic of Cancer states: The Tropic passes through 8 states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, Mizoram. Students commonly forget Jharkhand or add Uttar Pradesh (which it doesn't cross). Fix: Remember "GuRaMP-ChhJhaWeTrMi" mnemonic.
- Mixing up peninsular river directions: Narmada and Tapti flow westward into Arabian Sea (rift valleys), while most peninsular rivers (Godavari, Krishna, Mahanadi, Kaveri) flow eastward into Bay of Bengal. Students wrongly group all peninsular rivers as eastward-flowing.
Quick reference
- India's extreme points: North–Indira Col, South–Indira Point, East–Kibithu (Arunachal), West–Guhar Moti (Gujarat).
- Highest waterfall: Kunchikal Falls (Karnataka, 455 m); most famous: Jog Falls (Karnataka, 253 m).
- Largest freshwater lake: Wular Lake (Jammu & Kashmir); largest saltwater: Chilika Lake (Odisha).
- Biosphere reserves: 18 in India (Nilgiri first, 1986); 12 are UNESCO-recognised including Sundarbans, Nanda Devi, Gulf of Mannar.
- Monsoon contribution: Southwest Monsoon provides ≈75% of India's annual rainfall; failure causes drought.
Check yourself: 3 questions
1. The Tropic of Cancer passes through which of the following Indian states? 1. Gujarat 2. Rajasthan 3. West Bengal 4. Tripura Select the correct answer:
2. Which one of the following rivers does NOT originate in India?
3. India shares its longest international border with which country?
This lesson is cut from the topic's note, not rewritten. Fact-checked on 18 Oct 2026: an AI-assisted check of this note against cited sources; the errors it found were corrected that day. Some errors may remain. The questions are from Shishya's validated question bank.
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