Indian Geography — Important Facts on India
1. India — Key Facts
Context: India is the seventh-largest country in the world with a diverse geographical landscape spanning from the Himalayas to the Indian Ocean.
| Feature | Details |
|---|---|
| Area | 3.28 million sq. km |
| World's Land Surface | 2.4% |
| Global Ranking (Area) | 7th largest country |
| North to South Distance | 3,214 km |
| East to West Distance | 2,933 km |
| Coastline (Mainland) | 6,100 km |
| Coastline (Mainland + Islands) | 7,517 km |
| Territorial Limit | 12 nautical miles (≈21.9 km) from coast |
| Standard Meridian | 82°30' E |
| Time Difference from GMT | +5 hours 30 minutes |
📝 UPSC Previous Year Questions:
- UPSC Prelims 2019: The Tropic of Cancer passes through which states? Answer: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram.
- UPSC Prelims 2016: The Standard Meridian of India (82°30'E) passes through which states? Answer: Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Odisha, and Andhra Pradesh.
- UPSC Prelims 2014: What is the territorial limit of India from the coast? Answer: 12 nautical miles (≈21.9 km).
- UPSC Prelims 2012: India's coastline including islands is approximately: Answer: 7,517 km.
- UPSC Prelims 2011: The southernmost point of India is located at: Answer: Indira Point (Great Nicobar Island) — though submerged after the 2004 tsunami.
2. Latitudinal Extent
- Southern Part: Within the tropics.
- Northern Part: Sub-tropical zone or warm temperate zone.
- Tropic of Cancer (23°30'N): Covers 8 states:
- Gujarat
- Rajasthan
- Madhya Pradesh
- Chhattisgarh
- Jharkhand
- West Bengal
- Tripura
- Mizoram
📝 UPSC Previous Year Questions:
- UPSC Prelims 2015: The Tropic of Cancer does NOT pass through which state? Answer: Odisha.
- UPSC Prelims 2013: Which of the following states is NOT crossed by the Tropic of Cancer? Answer: Odisha.
3. Standard Meridian (82°30' E)
- India's Standard Meridian is 82°30' E.
- It is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT).
- States it passes through:
- Uttar Pradesh
- Madhya Pradesh
- Chhattisgarh
- Odisha
- Andhra Pradesh
📝 UPSC Previous Year Questions:
- UPSC Prelims 2016: The Standard Meridian of India (82°30'E) passes through which states? Answer: Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Odisha, and Andhra Pradesh.
- UPSC Prelims 2010: Why does India have a standard meridian? Answer: To avoid confusion of different local times across the country.
4. India's Neighbours
Indian Subcontinent
- Includes: Pakistan, Nepal, Bhutan, Bangladesh, and India.
Sri Lanka
- Separated from India by the Gulf of Mannar and Palk Strait.
📝 UPSC Previous Year Questions:
- UPSC Prelims 2017: Which water body separates India from Sri Lanka? Answer: Palk Strait and Gulf of Mannar.
- UPSC Prelims 2014: The Indian subcontinent includes which countries? Answer: Pakistan, Nepal, Bhutan, Bangladesh, and India.
5. Coastline
- Mainland Coastline: 6,100 km
- Total Coastline (including islands): 7,517 km
- Territorial Limit: 12 nautical miles (≈21.9 km) from the coast.
Coastal States of India
- West Coast: Gujarat, Maharashtra, Goa, Karnataka, Kerala
- East Coast: Tamil Nadu, Andhra Pradesh, Odisha, West Bengal
- Union Territories: Daman & Diu, Dadra & Nagar Haveli, Puducherry, Andaman & Nicobar Islands, Lakshadweep
📝 UPSC Previous Year Questions:
- UPSC Prelims 2012: India's coastline including islands is approximately: Answer: 7,517 km.
- UPSC Prelims 2011: The territorial waters of India extend up to how many nautical miles? Answer: 12 nautical miles.
- UPSC Prelims 2020: Which state has the longest coastline in India? Answer: Gujarat.
6. Summary: Important Facts at a Glance
| Category | Details | UPSC Year |
|---|---|---|
| Area | 3.28 million sq. km (7th largest) | — |
| World's Land Surface | 2.4% | — |
| North-South Distance | 3,214 km | — |
| East-West Distance | 2,933 km | — |
| Coastline (Mainland) | 6,100 km | — |
| Coastline (Total) | 7,517 km | 2012 |
| Territorial Limit | 12 nautical miles | 2011 |
| Standard Meridian | 82°30' E | 2016 |
| Tropic of Cancer | 23°30' N (8 states) | 2015, 2013 |
| Longest Coastline | Gujarat | 2020 |
| Sri Lanka Separation | Gulf of Mannar & Palk Strait | 2017 |
Key Takeaways for UPSC
- Area: 3.28 million sq. km — 7th largest globally
- Coastline: 6,100 km (mainland) + 1,417 km (islands) = 7,517 km
- Territorial Limit: 12 nautical miles (≈21.9 km)
- Standard Meridian: 82°30' E — passes through 5 states
- Tropic of Cancer: 23°30' N — passes through 8 states
- Longest Coastline: Gujarat (UPSC 2020)
- Sri Lanka: Separated by Gulf of Mannar & Palk Strait (UPSC 2017)
High-Yield Interactive UPSC Quiz (Indian Geography — Important Facts)
Q1. What is the total area of India in million sq. km?
Correct Answer: B. India's area is 3.28 million sq. km, making it the 7th largest country in the world, covering 2.4% of the world's land surface.
Q2. The Standard Meridian of India is:
Correct Answer: B. India's Standard Meridian is 82°30' E. It is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT). (UPSC 2016)
Q3. The Standard Meridian of India passes through how many states?
Correct Answer: C. The Standard Meridian (82°30' E) passes through 5 states: Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Odisha, and Andhra Pradesh. (UPSC 2016)
Q4. The Tropic of Cancer passes through how many states in India?
Correct Answer: C. The Tropic of Cancer (23°30' N) passes through 8 states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram. (UPSC 2015, 2013)
Q5. What is India's total coastline including islands?
Correct Answer: C. India's total coastline including islands is 7,517 km. The mainland coastline is 6,100 km. (UPSC 2012)
Q6. The territorial limit of India from the coast extends up to:
Correct Answer: B. India's territorial limit extends up to 12 nautical miles (about 21.9 km) from the coast. (UPSC 2011)
Q7. Which state has the longest coastline in India?
Correct Answer: C. Gujarat has the longest coastline in India. (UPSC 2020)
Q8. Sri Lanka is separated from India by:
Correct Answer: B. Sri Lanka is separated from India by the Gulf of Mannar and the Palk Strait. (UPSC 2017)
Q9. The Tropic of Cancer does NOT pass through which of the following states?
Correct Answer: C. The Tropic of Cancer does NOT pass through Odisha. It passes through 8 states including Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram. (UPSC 2015, 2013)
Q10. India's area accounts for what percentage of the world's land surface?
Correct Answer: B. India's area accounts for 2.4% of the world's land surface, making it the 7th largest country in the world.