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Indian Geography: Physical, Economic and Human: key facts and practice questions

Revise Indian Geography: Physical, Economic and Human for SSC, Railway, police and state PSC exams: the facts and distinctions that keep coming up, a one-glance revision list, and 10 practice questions with answers and explanations.

Drafted with AI assistance and fact-checked on 2026-10-15; not yet read line by line by a human editor. Spotted a mistake? Tell us. Editorial standards & corrections

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Key concepts and facts

Location and extent: Mainland India lies between 8 degree 4 minutes N and 37 degree 6 minutes N latitude and 68 degree 7 minutes E and 97 degree 25 minutes E longitude. Indira Point on Great Nicobar is the southernmost point of the country; Kanyakumari is the southern tip of the mainland. The Tropic of Cancer crosses eight states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram. The Standard Meridian, 82 degree 30 minutes E, passes through Mirzapur (UP) and gives IST, five and a half hours ahead of GMT. Land border order by length: Bangladesh, China, Pakistan, Nepal, Myanmar, Bhutan, Afghanistan. The coastline is about 11,099 km as re-measured in 2025 (the earlier official figure was 7,516.6 km); Gujarat has the longest state coastline and nine states touch the sea. Uttar Pradesh borders the maximum number of states (eight) plus Delhi.
Physiography: The Himalayas run in three parallel ranges: Himadri (Greater Himalaya, average 6,000 m; Kangchenjunga, 8,586 m, in Sikkim is the highest peak in India), Himachal (Lesser Himalaya, with the Pir Panjal and Dhauladhar ranges) and Shivalik (Outer Himalaya, with Dun valleys). The Trans-Himalaya holds the Karakoram (K2, Siachen glacier), Ladakh and Zanskar ranges. Key passes: Zoji La and Banihal (J and K), Shipki La and Rohtang (HP), Lipulekh (Uttarakhand), Nathu La (Sikkim), Bomdila (Arunachal). The Northern Plains are divided into Bhabar (pebble belt where streams disappear), Terai (marshy re-emergence zone), Bangar (old alluvium with kankar) and Khadar (new flood-plain alluvium). The Peninsular Plateau is the oldest landmass, with the Aravalli, Malwa plateau, Vindhya and Satpura ranges, Chotanagpur plateau (Jharkhand, mineral store-house) and the basaltic Deccan Trap. The Western Ghats (Anamudi 2,695 m is the highest peak of peninsular India) are continuous; the Eastern Ghats (Nallamala, Javadi, Shevaroy hills) are broken by rivers. The west coast is Konkan (Daman to Goa), Kanara (Goa to Mangaluru) and Malabar (Mangaluru to Kanyakumari); the east coast is Northern Circars and Coromandel. Lakshadweep islands are coral; Barren Island in the Andamans is the only active volcano.
Rivers, dams and lakes: Himalayan rivers are perennial; peninsular rivers are seasonal. The Ganga begins as the Bhagirathi at Gangotri, meets the Alaknanda at Devprayag, enters the plains at Haridwar and splits at Farakka into the Hugli and the Padma. Yamuna (longest tributary, joins at Prayagraj), Son, Ghaghara, Gandak and Kosi (Sorrow of Bihar) are its tributaries. The Brahmaputra is Tsangpo in Tibet, Dihang or Siang in Arunachal and Jamuna in Bangladesh, and holds Majuli island. East-flowing peninsular rivers (Mahanadi, Godavari, Krishna, Kaveri) make deltas; west-flowing Narmada and Tapi flow in rift valleys to the Gulf of Khambhat and form estuaries. Godavari (Dakshin Ganga) is the longest peninsular river. Lakes: Wular (largest freshwater, J and K), Chilika (largest brackish lagoon, Odisha), Sambhar (salt, Rajasthan), Loktak (floating phumdis, Manipur), Vembanad (Kerala), Pulicat (Andhra-Tamil Nadu), Lonar (crater, Maharashtra). Dam-river pairs are listed in the examples.
Climate, soils and vegetation: The south-west monsoon arrives in Kerala around 1 June in two branches, Arabian Sea and Bay of Bengal; Mawsynram in Meghalaya is the wettest place. The retreating or north-east monsoon (October to December) gives Tamil Nadu its main rain, and western disturbances from the Mediterranean bring winter rain to Punjab, Haryana and western UP, helping wheat. Local winds: Loo (north-west India), Kalbaisakhi (West Bengal and Assam), Mango showers (Kerala and Karnataka). El Nino weakens the monsoon. Soils: alluvial (most widespread), black regur from Deccan basalt (cotton, self-ploughing), red (iron oxide), laterite (leaching under heavy rain and heat; cashew, tea), arid, saline and peaty. Forests: tropical evergreen above 200 cm rainfall, tropical deciduous (most widespread; sal, teak), thorn below about 50-70 cm, montane, and mangroves (Sundarbans, named after the Sundari tree). The 1988 Forest Policy targets 33 percent forest cover; as of ISFR 2023, Madhya Pradesh has the largest forest cover by area and Mizoram the highest percentage among states (the UT of Lakshadweep is higher).
Wildlife: Jim Corbett (1936, Uttarakhand) is the first national park and Project Tiger (1973) started there. Nilgiri (1986) is the first biosphere reserve. Chilika and Keoladeo (Bharatpur) were the first Ramsar sites (1981). Animal-park pairs such as Gir-lion, Kaziranga-rhino and Keibul Lamjao-Sangai are in the examples.
Minerals, energy and industry: Coal: Jharia and Bokaro (Jharkhand), Raniganj (West Bengal), Korba (Chhattisgarh), Singrauli (MP), Talcher (Odisha), Singareni (Telangana), Neyveli lignite (Tamil Nadu). Iron ore: Bailadila (Chhattisgarh), Keonjhar (Odisha), Noamundi (Jharkhand), Kudremukh and Bellary (Karnataka). Copper: Khetri (Rajasthan), Malanjkhand (MP). Mica: Koderma (Jharkhand). Bauxite: Koraput (Odisha). Uranium: Jaduguda (Jharkhand). Oil: Digboi (1901, oldest refinery, Assam), Mumbai High (offshore), Ankleshwar (Gujarat). Nuclear plants: Tarapur (first, Maharashtra), Rawatbhata (Rajasthan), Kalpakkam and Kudankulam (Tamil Nadu), Narora (UP), Kakrapar (Gujarat), Kaiga (Karnataka). Steel: Jamshedpur (TISCO, 1907), Bhilai and Bokaro (USSR), Rourkela (West Germany), Durgapur (UK), Visakhapatnam (shore-based). Ahmedabad is the Manchester of India; jute mills cluster along the Hugli.
Agriculture, transport and people: Kharif (June to October: rice, maize, cotton, jute, groundnut), rabi (October to March: wheat, gram, mustard) and zaid (March to June: melons, cucumber). Leading states: West Bengal (jute; also a top rice producer along with Telangana, UP and Punjab), UP (wheat, sugarcane), Assam (tea), Karnataka (coffee), Kerala (rubber), J and K (saffron). Green Revolution (1960s, M S Swaminathan), White Revolution or Operation Flood (Verghese Kurien), Yellow Revolution (oilseeds). Major ports: Kandla or Deendayal (tidal, Gujarat), Mumbai and JNPT, Mormugao (Goa), Kochi, Tuticorin, Chennai, Visakhapatnam, Paradip, Kolkata-Haldia (riverine). The Golden Quadrilateral links Delhi, Mumbai, Chennai and Kolkata; National Waterway 1 is the Ganga (Haldia to Prayagraj). Railway HQs: Northeast Frontier at Maligaon (Guwahati), East Central at Hajipur, South Western at Hubballi. Census 2011 (among states, not UTs): UP most populous, Sikkim least; Bihar densest, Arunachal least dense; Kerala tops literacy and sex ratio; Bihar lowest literacy, Haryana lowest sex ratio. Tribes: Bhil (largest), Gond, Santhal, Toda (Nilgiris), Khasi-Garo-Jaintia (Meghalaya), Jarawa and Sentinelese (Andaman).
Common traps: Anamudi, not Doddabetta, is the highest peak of the Western Ghats; Kosi is the Sorrow of Bihar and Damodar the Sorrow of Bengal; Krishnaraja Sagar is on the Kaveri, not the Krishna; Narmada and Tapi form estuaries, not deltas; Tamil Nadu is wet in winter, not in July; Jharia and Koderma are in Jharkhand, not Bihar; Keibul Lamjao is in Manipur, not Assam.

One-glance revision list

Tropic of Cancer states, west to east: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, Mizoram (mnemonic: Great Rajas May Catch Juicy Wild Tiger Meat).
Border length order: Bangladesh > China > Pakistan > Nepal > Myanmar > Bhutan > Afghanistan (mnemonic: BCPNMBA, Bangladesh Comes Prior to Nepal, Myanmar, Bhutan, Afghanistan).
Northern plain belts from the hills downward: Bhabar (pebbles, streams vanish), Terai (marsh, streams reappear), Bangar (old alluvium, kankar), Khadar (new alluvium, most fertile).
Panch Prayag of the Alaknanda: Vishnuprayag (Dhauliganga), Nandprayag (Nandakini), Karnaprayag (Pindar), Rudraprayag (Mandakini), Devprayag (Bhagirathi): the Ganga gets its name only after Devprayag.
Dam-river pairs: Bhakra-Sutlej, Tehri-Bhagirathi, Hirakud-Mahanadi, Nagarjuna Sagar-Krishna, Mettur and Krishnaraja Sagar-Kaveri, Sardar Sarovar-Narmada, Ukai-Tapi, Gandhi Sagar-Chambal.
Sorrow rivers: Kosi is the Sorrow of Bihar, Damodar the Sorrow of Bengal; Godavari is the Dakshin Ganga (longest peninsular river) and Kaveri the Ganga of the South.
Rain calendar: SW monsoon hits Kerala around 1 June; retreating NE monsoon waters Tamil Nadu in October to December; western disturbances give Punjab winter rain for wheat.
Soil-crop links: black regur (basalt) for cotton; alluvial for wheat and rice; laterite for cashew, tea and coffee; red soil (iron oxide) for millets and groundnut.
Animal-park pairs: Gir-lion, Kaziranga-rhino, Keibul Lamjao-Sangai deer, Dachigam-Hangul, Hemis-snow leopard, Desert NP-Great Indian Bustard, Eravikulam-Nilgiri tahr.
Steel plant collaborators: Bhilai and Bokaro with the USSR, Rourkela with West Germany, Durgapur with the UK; Jamshedpur (TISCO, 1907) was the first modern plant.
Census 2011 extremes among states (not UTs): UP most populous, Sikkim least; Bihar densest, Arunachal Pradesh least dense; Kerala best literacy and sex ratio; Bihar lowest literacy, Haryana lowest sex ratio.
City nicknames: Ahmedabad is the Manchester of India, Coimbatore the Manchester of South India, Kochi the Queen of the Arabian Sea, Shillong the Scotland of the East, Jamshedpur the Steel City.

Lessons in depth

10 longer lessons on Indian Geography: Physical, Economic and Human, one per sub-topic, each with its key facts and a quick revision.

Practice questions

Try each question before opening the answer.

1. The Standard Meridian of India, which determines Indian Standard Time, is the longitude of (A) 68 degree 7 minutes E (B) 82 degree 30 minutes E (C) 97 degree 25 minutes E (D) 77 degree 30 minutes E

Answer: (B) 82 degree 30 minutes E. 82 degree 30 minutes E passes through Mirzapur (Uttar Pradesh) and gives IST, which is 5 hours 30 minutes ahead of GMT. 68 degree 7 minutes E and 97 degree 25 minutes E are the western and eastern longitudinal limits of India.

2. The Chotanagpur Plateau, known as the mineral store-house of India, lies mainly in (A) Jharkhand (B) Odisha (C) Chhattisgarh (D) West Bengal

Answer: (A) Jharkhand. The Chotanagpur Plateau covers most of Jharkhand, with Ranchi on it, and holds the coal, iron, mica and bauxite belts of the Damodar valley and Singhbhum region.

3. Jharia, India's most important coking coal field, is located in which state? (A) Odisha (B) West Bengal (C) Chhattisgarh (D) Jharkhand

Answer: (D) Jharkhand. Jharia in Dhanbad district of Jharkhand lies in the Damodar valley, the main Gondwana coal belt. Raniganj is in West Bengal and Korba in Chhattisgarh.

4. India's total geographical area accounts for about what share of the world's total geographical area? (A) 4.2 percent (B) 2.4 percent (C) 1.8 percent (D) 3.6 percent

Answer: (B) 2.4 percent. With an area of about 3.28 million sq km, India covers about 2.4 percent of the world's geographical area.

5. Which city is located on the water divide between the Indus and the Ganga river systems? (A) Ludhiana (B) Meerut (C) Kanpur (D) Ambala

Answer: (D) Ambala. NCERT notes that Ambala stands on the water divide between the Indus and Ganga systems. Ludhiana lies in the Sutlej basin of the Indus system, while Meerut and Kanpur lie in the Ganga basin.

6. The Jhelum river rises from a spring at (A) Sheshnag (B) Verinag (C) Gulmarg (D) Sonamarg

Answer: (B) Verinag. The Jhelum rises from a spring at Verinag at the foot of the Pir Panjal in the south-eastern Kashmir valley, flows through Srinagar and the Wular lake, and enters Pakistan through a deep gorge.

7. In July, the Inter Tropical Convergence Zone (ITCZ) shifts over the Ganga plain at about 20-25 degrees N. In this position it is also called the (A) Subtropical jet stream (B) Western disturbance (C) Tropical cyclone (D) Monsoon trough

Answer: (D) Monsoon trough. The ITCZ is a belt of low pressure where winds converge; when it moves north over the Ganga plain in July it is called the monsoon trough and draws in the south-west monsoon winds.

8. Koderma in Jharkhand is well known for the mining of which mineral? (A) Bauxite (B) Manganese (C) Mica (D) Chromite

Answer: (C) Mica. Koderma lies in the mica belt along the northern edge of the Chotanagpur plateau. Mica is valued in the electrical and electronics industries for its insulating property; Nellore in Andhra Pradesh is another mica area.

9. The Krishnaraja Sagar dam near Mysuru, beside which the Brindavan Gardens lie, is built across which river? (A) Krishna (B) Tungabhadra (C) Penna (D) Kaveri

Answer: (D) Kaveri. Despite its name, Krishnaraja Sagar is on the Kaveri in Karnataka; it is named after the Mysore ruler Krishnaraja Wadiyar IV. The Tungabhadra dam is at Hosapete and the Almatti dam is on the Krishna.

10. The first successful cotton textile mill in India was established in 1854 at (A) Mumbai (B) Ahmedabad (C) Kolkata (D) Kanpur

Answer: (A) Mumbai. The Mumbai mill of 1854 could draw raw cotton from the black soil areas of Maharashtra and Gujarat and use Mumbai port to import machinery. An earlier mill at Fort Gloster near Kolkata (1818) did not last, and Ahmedabad later grew into a major textile centre.

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Indian Geography: Physical, Economic and Human is tested in SSC, Railway, police and state PSC exams. Check the current official notification and syllabus of the exam you are preparing for to see how it is covered.

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