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Geography · India · 11

Geography of India: Location & Borders

India is the 7th largest country in the world by area, covering approximately 3.28 million km² and accounting for about 2.4% of the total world's land surface. Positioned entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere, it spans a vast latitudinal and longitudinal range that gives rise to significant climatic diversity. The country shares land borders with seven nations and is bounded by three water bodies, making its geopolitical position one of the most strategically important in Asia.

🇮🇳 11 topics🎯 154+ points📝 self-test
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Topic 01

India's Location & Basic Facts

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India is located in South Asia, bordering the Indian Ocean to the south and the Himalayas to the north.

Key Point
India is the 7th largest country in the world by area, with a total area of 32,87,263 sq. km (3.28 million km²)
  • India occupies 2.4% of the total world land area.
  • CapitalNew Delhi; CurrencyIndian Rupee (₹); LanguageHindi
  • Largest State (by area) — Rajasthan; Largest State (by population) — Uttar Pradesh
  • Longest RiverGanga; Highest GDSP StateMaharashtra
  • India has 28 States and 8 Union Territories
  • India shares its land boundary with 7 countries.
  • The Himalayas are the youngest fold mountains in the world.
  • India is a peninsula — land from 3 sides and water from 1 side.
7 Largest Countries in the World (by area)
RankCountry
1Russia
2Canada
3China
4USA
5Brazil
6Australia
7India
📝 Quick self-test 2 MCQs · 2 fill-ups

India is the world's how many-th largest country by area?

  1. 5th
  2. 6th
  3. 7th
  4. 8th
C. 7th — India is the 7th largest country in the world by area.

What percentage of the world's total land area does India occupy?

  1. 2.4%
  2. 3.28%
  3. 4.2%
  4. 1.4%
A. 2.4% — India occupies about 2.4% of the total world land area.

India has 28 States and Union Territories.

✔ 8

The largest state of India by area is .

✔ Rajasthan
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Topic 02

Latitudinal & Longitudinal Extent

India spans a wide geographic range — understanding the exact coordinates is essential for SSC CGL map-based questions.

Key Point
India lies between latitudes 8°4'N to 37°6'N and longitudes 68°7'E to 97°25'E
  • North–South extent (latitudinal) — 3,214 km
  • East–West extent (longitudinal) — 2,933 km
  • India lies entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.
  • The Tropic of Cancer (23½°N) passes through the middle of India.
  • Difference between 2 latitudes = 111 km (fixed)
  • Difference between 2 longitudes = Varying (maximum at Poles, zero at the Equator)
📝 Quick self-test 2 MCQs · 2 fill-ups

India lies between which range of latitudes?

  1. 6°N to 35°N
  2. 8°4'N to 37°6'N
  3. 10°N to 40°N
  4. 8°N to 30°N
B. 8°4'N to 37°6'N — India lies between latitudes 8°4'N and 37°6'N.

The Tropic of Cancer passes through which part of India?

  1. The northern edge
  2. The southern tip
  3. The middle
  4. The eastern coast
C. The middle — The Tropic of Cancer (23½°N) passes through the middle of India.

The North-South (latitudinal) extent of India is km.

✔ 3,214

The difference between two latitudes is a fixed value of km.

✔ 111
🇮🇳
Topic 03

States & Union Territories

India is a federal union comprising 28 states and 8 Union Territories as of 2024.

Key Point
India has 28 States and 8 Union Territories
28 States of India
#State#State
1Andhra Pradesh15Manipur
2Arunachal Pradesh16Meghalaya
3Assam17Mizoram
4Bihar18Nagaland
5Chhattisgarh19Odisha
6Goa20Punjab
7Gujarat21Rajasthan
8Haryana22Sikkim
9Himachal Pradesh23Tamil Nadu
10Jharkhand24Telangana
11Karnataka25Tripura
12Kerala26Uttar Pradesh
13Madhya Pradesh27Uttarakhand
14Maharashtra28West Bengal
8 Union Territories
#Union Territory
1Andaman & Nicobar Islands
2Chandigarh
3Dadra & Nagar Haveli and Daman & Diu
4Delhi
5Jammu & Kashmir
6Ladakh
7Lakshadweep
8Puducherry
📝 Quick self-test 2 MCQs · 2 fill-ups

How many States does India have?

  1. 27
  2. 28
  3. 29
  4. 30
B. 28 — India has 28 States as of 2024.

Which of the following is a Union Territory of India?

  1. Sikkim
  2. Ladakh
  3. Goa
  4. Tripura
B. Ladakh — Ladakh is one of the 8 Union Territories of India.

India is a federal union comprising 28 states and 8 Territories.

✔ Union

is a Union Territory formed by merging Dadra & Nagar Haveli and Daman & Diu.

✔ Dadra & Nagar Haveli and Daman & Diu
🇮🇳
Topic 04

Largest & Smallest States

These are high-yield one-liners in every SSC CGL exam — know all three "largest" parameters.

Key Point
Largest State by AreaRajasthan (3,42,239 sq. km)
  • Largest State by PopulationUttar Pradesh (24+ crore)
  • Highest GDSP StateMaharashtra (₹38+ lakh crore)
5 Largest States of India by Area
RankState
1Rajasthan
2Madhya Pradesh
3Maharashtra
4Uttar Pradesh
5Gujarat
  • Smallest country in the world (by area) — Vatican City
  • Largest country in the world (by area) — Russia
📝 Quick self-test 2 MCQs · 2 fill-ups

Which is the largest state of India by area?

  1. Madhya Pradesh
  2. Maharashtra
  3. Rajasthan
  4. Uttar Pradesh
C. Rajasthan — Rajasthan is the largest state of India by area.

Which is the largest state of India by population?

  1. Maharashtra
  2. Uttar Pradesh
  3. Bihar
  4. Rajasthan
B. Uttar Pradesh — Uttar Pradesh is the largest state by population.

The state with the highest GDSP in India is .

✔ Maharashtra

The smallest country in the world by area is City.

✔ Vatican
🏖️
Topic 05

India's Land & Coastal Boundaries

India's boundaries define its strategic position — the land boundary connects seven neighbours while three water bodies surround the peninsula.

Key Point
India's total land boundary is 15,200 km; coastline (2024–25 re-verified) is 11,098.81 km (includes mainland, Lakshadweep & Andaman & Nicobar Islands — based on high-resolution mapping by the National Hydrographic Office)
  • India is separated from its neighbours by natural and treaty-defined boundaries.
  • Water boundaries: Bay of Bengal (from east) | Arabian Sea (from west) | Indian Ocean (from south)
Land International Boundaries (Longest to Shortest)
RankCountryBorder LengthNote
1Bangladesh4,096 kmLongest land border
2China3,488 kmDisputed (LAC)
3Pakistan3,323 kmLOC + Radcliffe Line
4Nepal1,751 kmOpen border
5Myanmar1,643 km
6Bhutan699 km
7Afghanistan106 kmShortest land border
  • Longest land border — with Bangladesh (4,096 km)
  • Shortest land border — with Afghanistan (106 km; through Ladakh)
📝 Quick self-test 2 MCQs · 2 fill-ups

With which country does India share its longest land border?

  1. China
  2. Pakistan
  3. Bangladesh
  4. Nepal
C. Bangladesh — India's longest land border is with Bangladesh (4,096 km).

With which country does India share its shortest land border?

  1. Bhutan
  2. Afghanistan
  3. Myanmar
  4. Nepal
B. Afghanistan — India's shortest land border is with Afghanistan (106 km).

India's total land boundary is km.

✔ 15,200

India's re-verified coastline (2024-25) is km.

✔ 11,098.81
🕒
Topic 06

IST, Time Zones & the Gujarat–Arunachal Difference

India follows a single time zone — Indian Standard Time (IST) — set at 82.5°E longitude, passing through Mirzapur, Uttar Pradesh.

Key Point
IST = 82°30'E longitude; IST passes through 5 statesMadhya Pradesh, Odisha, Uttar Pradesh (Mirzapur), Chhattisgarh, Andhra Pradesh (Mnemonic: MOUCA)]
  • 15° longitude = 1 Hour; longitude = 4 minutes
  • Total time zones — India: 1; USA: 4; Russia: 11; France: 12 (max, due to overseas territories)
Gujarat–Arunachal Pradesh Time Difference
  • The longitudinal difference between Gujarat (west) and Arunachal Pradesh (east) = 30°
  • 30° × 4 mins = 120 mins = 2 Hours actual sun-time difference
  • Because of this, eastern states have early sunrise and early sunset.
  • But due to 1 time zone (IST), the clock time remains the same across India.
IST passes through 5 States (Mnemonic: MOUCA)
LetterState
MMadhya Pradesh
OOdisha
UUttar Pradesh (Mirzapur)
CChhattisgarh
AAndhra Pradesh
📝 Quick self-test 2 MCQs · 2 fill-ups

Indian Standard Time (IST) is set at which longitude?

  1. 75°E
  2. 82°30'E
  3. 90°E
  4. 68°7'E
B. 82°30'E — IST is set at 82°30'E (82.5°E) longitude passing through Mirzapur.

The sun-time difference between Gujarat and Arunachal Pradesh is about?

  1. 1 hour
  2. 2 hours
  3. 3 hours
  4. 30 minutes
B. 2 hours — The 30° longitudinal difference gives a 2-hour actual sun-time difference.

IST passes through 5 states remembered by the mnemonic .

✔ MOUCA

A difference of 1° longitude equals minutes of time.

✔ 4
🇮🇳
Topic 07

Extreme Points of India

The four cardinal extreme points of India are high-frequency exam questions, especially for map-based MCQs.

Key Point
Northernmost pointIndira Col (Himachal Pradesh / Siachen area, Ladakh))
  • Southernmost point (mainland) — Cape Comorin / Kanyakumari (Tamil Nadu); Southernmost point (including islands) — Indira Point (Great Nicobar Island, Andaman & Nicobar Islands)
  • Easternmost pointKibithu (Arunachal Pradesh)
  • Westernmost pointGuhar Moti (Gujarat)
DirectionExtreme PointLocation
NorthernmostIndira ColHimachal Pradesh / Ladakh
Southernmost (mainland)Cape Comorin (Kanyakumari)Tamil Nadu
Southernmost (islands)Indira PointGreat Nicobar, A&N Islands
EasternmostKibithuArunachal Pradesh
WesternmostGuhar MotiGujarat
📝 Quick self-test 2 MCQs · 2 fill-ups

Which is the easternmost point of India?

  1. Guhar Moti
  2. Kibithu
  3. Indira Col
  4. Indira Point
B. Kibithu — Kibithu in Arunachal Pradesh is the easternmost point of India.

The southernmost point of India including islands is?

  1. Kanyakumari
  2. Indira Point
  3. Cape Comorin
  4. Guhar Moti
B. Indira Point — Indira Point on Great Nicobar Island is the southernmost point including islands.

The northernmost point of India is Col.

✔ Indira

The westernmost point of India is Moti in Gujarat.

✔ Guhar
🌍
Topic 08

Tropic of Cancer States

The Tropic of Cancer at 23½°N bisects India roughly through its centre, passing through exactly 8 states.

Key Point
The Tropic of Cancer (23½°N) passes through 8 Indian states
#State
1Gujarat
2Rajasthan
3Madhya Pradesh
4Chhattisgarh
5Jharkhand
6West Bengal
7Tripura
8Mizoram

Mnemonic to remember: *"Gujrati Raja Made Chief Justice Win The Meeting"* → Gujarat → Rajasthan → Madhya Pradesh → Chhattisgarh → Jharkhand → West Bengal → Tripura → Mizoram

📝 Quick self-test 2 MCQs · 2 fill-ups

Through how many Indian states does the Tropic of Cancer pass?

  1. 6
  2. 7
  3. 8
  4. 9
C. 8 — The Tropic of Cancer passes through exactly 8 Indian states.

Which of these states does the Tropic of Cancer pass through?

  1. Kerala
  2. Mizoram
  3. Punjab
  4. Tamil Nadu
B. Mizoram — Mizoram is one of the 8 states the Tropic of Cancer passes through.

The Tropic of Cancer is located at a latitude of degrees North.

✔ 23½

In the Tropic of Cancer states, the westernmost is .

✔ Gujarat
🇮🇳
Topic 09

India's Neighbours & Shared Boundaries

India shares boundaries with seven land neighbours and is separated from Sri Lanka by the Palk Strait.

Key Point
India shares land borders with 7 countries: Bangladesh, China, Pakistan, Nepal, Myanmar, Bhutan, Afghanistan

Indian States Touching Bangladesh (Mnemonic: *M A M Take Water*)

  • Meghalaya → Assam → Mizoram → Tripura → West Bengal
  • Tripura is surrounded by Bangladesh on 3 sides.
  • Border NameRadcliffe Line; Trains — Bandhan Express, Maitri Express

Indian States Touching Nepal (Mnemonic: *S U B B U*)

  • Sikkim → Uttar Pradesh → Bihar → West Bengal → Uttarakhand

Indian States Touching Bhutan (Mnemonic: *W B A S A*)

  • West Bengal → Assam → Sikkim → Arunachal Pradesh

Indian States Touching Pakistan (Mnemonic: *G R P J&K Ladakh*)

  • Gujarat → Rajasthan → Punjab → Jammu & Kashmir → Ladakh
  • Border linesLOC (Line of Control, agreed) + Radcliffe Line (disputed)
  • Suspended trains — Samjhauta Express, Thar Express (both suspended)
  • Treaties — Indus Water Treaty (1960), Simla Agreement (1971) — both suspended after Operation Sindoor.

Indian States Touching China (LAC / McMahon Line / Johnson Line — all disputed)

  • LadakhHimachal PradeshUttarakhandSikkimArunachal Pradesh
  • Note: China claims Arunachal Pradesh as its own territory.
  • Disputed lines — LAC (Line of Actual Control), McMahon Line, Johnson Line

Indian States Touching Myanmar (Mnemonic: *Anu Na Ma Mi*)

  • Anu=Arunachal Pradesh → Na=Nagaland → Ma=Manipur → Mi=Mizoram
India and Sri Lanka
  • Separated by the Palk Strait — a narrow passage of water connecting two seas / two large areas of water (Arabian Sea and Bay of Bengal).
NeighbourBorder LengthKey Line/NameIndian States
Bangladesh4,096 kmRadcliffe LineMeghalaya, Assam, Mizoram, Tripura, W. Bengal
China3,488 kmLAC / McMahon LineLadakh, HP, Uttarakhand, Sikkim, Arunachal Pradesh
Pakistan3,323 kmRadcliffe Line / LOCGujarat, Rajasthan, Punjab, J&K, Ladakh
Nepal1,751 kmOpen borderSikkim, UP, Bihar, West Bengal, Uttarakhand
Myanmar1,643 kmArunachal Pradesh, Nagaland, Manipur, Mizoram
Bhutan699 kmWest Bengal, Assam, Sikkim, Arunachal Pradesh
Afghanistan106 kmLadakh
Sri LankaWater (Palk Strait)
📝 Quick self-test 2 MCQs · 2 fill-ups

India shares land borders with how many countries?

  1. 5
  2. 6
  3. 7
  4. 8
C. 7 — India shares land borders with 7 countries.

India is separated from Sri Lanka by which water body?

  1. Palk Strait
  2. Gulf of Khambat
  3. Arabian Sea
  4. Bay of Bengal
A. Palk Strait — India is separated from Sri Lanka by the Palk Strait.

The Indian state surrounded by Bangladesh on three sides is .

✔ Tripura

The border between India and Bangladesh is named the Line.

✔ Radcliffe
🇮🇳
Topic 10

States Sharing Maximum / Minimum Boundaries

Key Point
State sharing maximum boundaries with other states — Uttar Pradesh (shares boundary with 8 states + 1 UT)
  • States sharing minimum boundariesSikkim (shares boundary with West Bengal only among states) and Meghalaya (shares boundary with Assam only)
States sharing borders with 3 countries
StateCountries
SikkimNepal, Bhutan, China
Arunachal PradeshBhutan, China, Myanmar
West BengalNepal, Bhutan, Bangladesh
📝 Quick self-test 2 MCQs · 2 fill-ups

Which Indian state shares boundaries with the maximum number of other states?

  1. Madhya Pradesh
  2. Uttar Pradesh
  3. Rajasthan
  4. Bihar
B. Uttar Pradesh — Uttar Pradesh shares its boundary with 8 states and 1 UT, the maximum.

Which state shares borders with Nepal, Bhutan and China?

  1. Arunachal Pradesh
  2. West Bengal
  3. Sikkim
  4. Assam
C. Sikkim — Sikkim shares borders with Nepal, Bhutan and China.

Among states, shares its boundary with West Bengal only, being one of the minimum-boundary states.

✔ Sikkim

The state shares borders with Bhutan, China and Myanmar.

✔ Arunachal Pradesh
📘
Topic 11

Ladakh — Special Facts

Ladakh, India's largest Union Territory by area, has a uniquely strategic position among India's UTs.

Key Point
Ladakh is the 1 Union Territory that shares its boundary with 3 countries — Pakistan, China, Afghanistan
  • Ladakh has the shortest international land boundary with Afghanistan (106 km).
  • Ladakh touches China (3,488 km total border), Pakistan (3,323 km total border), and Afghanistan (106 km).
  • Ladakh is also one of the Indian states/UTs touching Pakistan (as part of the J&K / Ladakh region).
📝 Quick self-test 2 MCQs · 2 fill-ups

Ladakh is the Union Territory that shares its boundary with which three countries?

  1. Pakistan, China, Afghanistan
  2. China, Nepal, Bhutan
  3. Pakistan, Nepal, China
  4. Afghanistan, Nepal, China
A. Pakistan, China, Afghanistan — Ladakh shares its boundary with Pakistan, China and Afghanistan.

Ladakh has India's shortest international land boundary with which country?

  1. China
  2. Pakistan
  3. Afghanistan
  4. Nepal
C. Afghanistan — Ladakh has the shortest land boundary with Afghanistan (106 km).

Ladakh is India's largest Territory by area.

✔ Union

Ladakh's shortest international land boundary with Afghanistan is km long.

✔ 106
🎯
Recap

Quick Revision

  • India is the 7th largest country in the world by area (3.28 million km²).
  • Latitudinal extent: 8°4'N to 37°6'N; Longitudinal extent: 68°7'E to 97°25'E.
  • India has 28 States and 8 Union Territories; total population 140+ crore (2024 est.).
  • Largest state by area = Rajasthan; by population = Uttar Pradesh; highest GDSP = Maharashtra.
  • Total land boundary = 15,200 km; coastline = 11,098.81 km.
  • Longest land border = Bangladesh (4,096 km); Shortest = Afghanistan (106 km).
  • IST = 82°30'E (Mirzapur, UP); Gujarat–Arunachal sun-time difference = 2 hours.
  • IST passes through 5 states — Madhya Pradesh, Odisha, Uttar Pradesh, Chhattisgarh, Andhra Pradesh (MOUCA).
  • Northernmost = Indira Col; Southernmost (mainland) = Kanyakumari; Easternmost = Kibithu; Westernmost = Guhar Moti.
  • Tropic of Cancer (23½°N) passes through 8 states — Gujarat, Rajasthan, MP, Chhattisgarh, Jharkhand, West Bengal, Tripura, Mizoram.
  • UP shares boundary with the most states (8 states + 1 UT); Sikkim and Meghalaya share with the fewest.
  • Ladakh (UT) borders 3 countries — Pakistan, China, Afghanistan.
  • States bordering 3 countries: Sikkim (Nepal, Bhutan, China), Arunachal Pradesh (Bhutan, China, Myanmar), West Bengal (Nepal, Bhutan, Bangladesh).
  • India and Sri Lanka are separated by the Palk Strait.

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