Indian Geography – UGC NET JRF (General Awareness & Current Affairs)
Why it matters
The Geography section of the UGC NET JRF exam tests your knowledge of India’s physical layout, natural resources, climate patterns, and key geographical facts. A concise, well‑organized set of notes saves time and helps you recall the most exam‑relevant facts efficiently.
1. Simple Explanation
India is a sub‑continental landmass in South Asia that occupies a rectangular area in the northern hemisphere. It is bounded by the Indian Ocean to the south, the Arabian Sea to the west, the Bay of Bengal to the east, and the Himalayan and Karakoram ranges to the north. The country is divided into seven major geographical zones: the Himalayan region, the Indo‑Gangetic plain, the Thar Desert, the Deccan plateau, the Eastern coastal plains, the Western coastal plains, and the Indian Ocean islands.
2. Key Points (Exam‑Ready)
| Category | Important Facts |
|---|---|
| Location & Size | 3.287 million km² (4th largest in Asia, 7th worldwide). |
| Borders | 5.8 million km of land‑boundary: 2,958 km with Bangladesh, 2,868 km with China/India border, 1,643 km with Nepal, 1,352 km with Pakistan, 1,220 km with Sri Lanka (via maritime boundary). |
| Topography | - Highest peak: Mount Everest (8,848 m, on the India‑China border). - Lowest point: Karaikal, Tamil Nadu (−6 m, below sea level). - Major mountain ranges: Himalayas, Vindhya, Satpura, Western Ghats. |
| Rivers | - Longest: Ganga (2,525 km). - Most important: Ganga & Yamuna (tributaries of the Ganga). - Largest drainage basin: Ganga Basin (1.25 million km²). |
| Plateaus & Plains | - Deccan Plateau (Central India, 220 m–400 m elevation). - Indo‑Gangetic Plain (fertile alluvial plains, 1,200 km long). |
| Climate | 3 main zones: Tropical monsoon, arid (Thar), temperate (Himalayas). |
| Natural Resources | Coal (Bharat Coking Coal), iron ore, bauxite, mica, limestone, salt. |
| Islands & Archipelagos | Andaman & Nicobar (16 islands), Lakshadweep (10 islands). |
| Population & Density | 1.4 billion (2024 estimate). Density: 464 people/km² (average). |
| Capital & Major Cities | New Delhi (capital). Major metros: Mumbai, Kolkata, Chennai, Hyderabad, Bangalore. |
| Ecological Zones | Tropical rainforests (Western Ghats), evergreen forests (Himalayas), mangroves (Gulf of Khambhat). |
3. Worked Example
Question
Which Indian river is the longest in the country?
Solution
- Identify all major rivers: Ganga, Brahmaputra, Yamuna, Godavari, Krishna, Narmada, Tapti, etc.
- Recall lengths:
- Ganga – 2,525 km
- Brahmaputra – 2,900 km (but only 1,600 km in India)
- Godavari – 1,465 km
- Krishna – 1,400 km
- etc.
- Compare: The longest river that flows entirely within India is the Ganga at 2,525 km.
Answer: Ganga.
Tip: Memorize the top three longest rivers (Ganga, Brahmaputra, Godavari) and their approximate lengths. This quick recall will help in any related MCQ.
4. Quick Revision Summary
- Country: India – 3.287 million km², 7th largest globally.
- Capital: New Delhi; largest metro: Mumbai.
- Highest peak: Mount Everest (8,848 m).
- Lowest point: Karaikal, Tamil Nadu (−6 m).
- Major Mountain Ranges: Himalayas, Western Ghats, Vindhya, Satpura.
- Longest River: Ganga (2,525 km).
- Plateau: Deccan Plateau (central India).
- Plains: Indo‑Gangetic Plain, Eastern & Western Coastal Plains.
- Climate Zones: Tropical monsoon, arid (Thar), temperate (Himalayas).
- Key Natural Resources: Coal, iron ore, bauxite, mica.
- Population: 1.4 billion (2024), density 464 people/km².
- Islands: Andaman & Nicobar, Lakshadweep.
Revision Strategy
- Flashcards – create cards for each category (mountains, rivers, resources).
- Mind Map – connect zones (e.g., Himalayas → climate → rivers).
- Practice MCQs – focus on comparative questions (e.g., “Which plateau is higher?”).
- Map Sketch – draw a quick map with labels for mountains, plateaus, major rivers.
Use these notes as a quick reference while revising for the UGC NET JRF exam. Good luck!