SSC CGL - Detailed Guide 2025
Self-Paced Course

Geographical Miscellaneous
Reference: Lucent GK, NCERT Class 6–12
Important Prehistoric Sites in India
Longest, Largest, Highest, Smallest in Geography
Category | Feature Name | Detail / Location |
---|---|---|
Longest River (World) | Nile River / Amazon | Nile: Africa (6650 km); Amazon: S. America (6400+ km) |
Longest River (India) | Ganga | 2525 km |
Largest River by Volume | Amazon River | South America |
Longest Mountain Range (World) | Andes | South America (~7000 km) |
Highest Mountain Peak (World) | Mount Everest | 8848.86 m (Nepal–China border) |
Highest Mountain Peak (India) | K2 (Godwin Austen) | 8611 m (PoK, Karakoram Range) |
Largest Desert (World) | Antarctica Desert | Cold Desert (~14 million sq km) |
Largest Hot Desert | Sahara | North Africa |
Largest Delta | Sundarbans Delta | Ganga–Brahmaputra delta (India–Bangladesh) |
Largest Lake (World) | Caspian Sea | Saltwater Lake |
Largest Freshwater Lake | Lake Superior | North America |
Highest Plateau | Pamir Plateau | “Roof of the World” |
Highest Lake | Lake Titicaca | Border of Bolivia–Peru (~3812 m) |
Longest Dam (India) | Hirakud Dam | Mahanadi River, Odisha |
Highest Dam (India) | Tehri Dam | Bhagirathi River, Uttarakhand |
Largest Artificial Lake | Govind Ballabh Pant Sagar (Rihand Dam) | Uttar Pradesh |
Largest Island | Greenland | Autonomous territory of Denmark |
Largest Island (India) | Middle Andaman | Andaman & Nicobar Islands |
National Parks in India (State-wise)
India has 106 National Parks (as of 2023). Some important ones are:
State / UT | Famous National Parks |
---|---|
Madhya Pradesh | Kanha, Bandhavgarh, Pench, Satpura, Panna |
Rajasthan | Ranthambore, Sariska, Desert National Park |
Maharashtra | Tadoba, Sanjay Gandhi (Borivali) |
Uttarakhand | Jim Corbett (1st NP of India), Valley of Flowers |
Karnataka | Bandipur, Nagarhole, Bannerghatta |
Kerala | Periyar, Silent Valley, Eravikulam |
Tamil Nadu | Mudumalai, Guindy |
Gujarat | Gir (Asiatic Lions), Marine National Park |
West Bengal | Sundarbans, Buxa, Gorumara |
Assam | Kaziranga (Rhinos), Manas |
Bihar | Valmiki |
Odisha | Simlipal |
Chhattisgarh | Indravati, Kanger Valley |
Himachal Pradesh | Great Himalayan NP, Pin Valley |
Jammu & Kashmir | Dachigam |
Ladakh (UT) | Hemis |
Andaman & Nicobar Islands | Mahatma Gandhi Marine, Mount Harriet |
Goa | Mollem (Bhagwan Mahavir) |
Arunachal Pradesh | Namdapha |
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Note:
- 1st National Park of India: Jim Corbett (1936, as Hailey NP)
- State with most National Parks: Madhya Pradesh (11)
- Newest NP: Raimona NP, Assam (declared in 2021)

Important International Boundaries (Lines of Separation)
Boundary Line | Countries Separated | Year / Details |
---|---|---|
Durand Line | Afghanistan – Pakistan | 1893 (British India & Afghanistan) |
Radcliffe Line | India – Pakistan | 1947 (Partition line by Sir Cyril Radcliffe) |
McMahon Line | India – China (Arunachal Pradesh) | 1914 (Simla Agreement; China disputes it) |
Line of Actual Control (LAC) | India – China | Not clearly demarcated |
Line of Control (LoC) | India – Pakistan (J&K) | Military control line, post-1947–48 war |
Maginot Line | France – Germany | WWII Defensive Line |
Hindenburg Line | Germany – Poland | Post WWI boundary |
38th Parallel | North Korea – South Korea | Post-Korean War |
49th Parallel | USA – Canada | Longest undefended border |
Siegfried Line | Germany – France | Defensive line (WWII) |
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Trick to Remember:
- D-R: Durand → Radcliffe → McMahon → LoC → LAC → international lines for India
- “R” in Radcliffe = Partition of Republics (India–Pakistan)
- “M” in McMahon = Mountains (India–China Himalayan Line)
Developed By Roopasree Challa
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