Location, Extent, and Physical Features of India

Introduction

'India's GEOGRAPHICAL location has SHAPED its history, culture, economy, and strategic importance. The vast PHYSICAL DIVISIONS — from the SNOW-CAPPED Himalayas to the TROPICAL coastal plains — create extraordinary DIVERSITY. ICSE examiners ALWAYS ask about the PHYSICAL DIVISIONS of India. You should be able to DESCRIBE, COMPARE, and CONTRAST each division with SPECIFIC examples.'

Location and Extent

Aspect	Detail
Northernmost Point	Indira Col, JAMMU & KASHMIR (37°6'N) — near Siachen Glacier
Southernmost Point	INDIRA POINT, Great Nicobar Island (6°45'N) — NOT Kanyakumari
Westernmost Point	GHUAR MATI, Gujarat (68°7'E)
Easternmost Point	KIBITHU, Arunachal Pradesh (97°25'E)
Total Land Area	3.28 MILLION sq km
Land Frontier	15,200 km
Coastline	7,516.6 km (mainland + islands)

India in the World

LATITUDINALLY: Lies in the NORTHERN hemisphere — Tropic of Cancer passes through the MIDDLE (23°30'N)
LONGITUDINALLY: 82°30'E is the STANDARD MERIDIAN
TIME: India is 5 HOURS 30 MINUTES ahead of GMT
The Tropic of Cancer passes through: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, Mizoram

Neighbouring Countries

Country	Border Length (km)	Direction
PAKISTAN	~3,323	NORTHWEST
AFGHANISTAN	~106	NORTHWEST (claims POK)
CHINA	~3,488	NORTH
NEPAL	~1,751	NORTH
BHUTAN	~699	NORTHEAST
MYANMAR	~1,643	EAST
BANGLADESH	~4,096	EAST — LONGEST land border
SRI LANKA	SEPARATED by Gulf of Mannar	SOUTH
MALDIVES	SEPARATED by Indian Ocean	SOUTHWEST

Physical Divisions of India

India has SIX major physical divisions:

The NORTHERN MOUNTAINS (Himalayas)
The NORTHERN PLAINS (Indo-Gangetic Plain)
The PENINSULAR PLATEAU
The INDIAN DESERT (Thar)
The COASTAL PLAINS
The ISLANDS

1. The Northern Mountains (The Himalayas)

Three Parallel Ranges

Range	Avg Height	Width	Key Features
GREATER HIMALAYA (Himadri)	6,000m+	120–190 km	Highest — PERMANENT snow — Kangchenjunga, Nanga Parbat
MIDDLE HIMALAYA (Himachal)	3,700–4,500m	60–80 km	Hill STATIONS — Shimla, Mussoorie, Nainital, Darjeeling
OUTER HIMALAYA (Shiwaliks)	900–1,200m	10–50 km	Foothills — DUNS (Dehradun, Patlidun)

Importance of the Himalayas

Importance	Explanation
CLIMATIC	Block COLD winds from Central Asia. TRAP monsoon winds — cause RAINFALL
RIVERS	Source of ALL major Himalayan rivers — Indus, Ganga, Brahmaputra
STRATEGIC	NATURAL barrier — India's NORTHERN boundary
CULTURAL	Separates India from TIBET/China
ECONOMIC	Timber, MINERALS, tourism, HYDROELECTRICITY

2. The Northern Plains

Formation

Formed by the ALLUVIAL deposits of the Indus, Ganga, and Brahmaputra rivers
2,400 km LONG
240–320 km WIDE
ONE of the most FERTILE regions in the world

Divisions

Division	Description
Bhabhar	PEBBLE-LADEN belt along Shiwalik foothills — rivers DISAPPEAR
Terai	MARSHY zone south of Bhabhar — thick FORESTS, wildlife
Bhangar	HIGHER, older alluvium — contains KANKAR (calcareous nodules)
Khadar	NEWER, younger alluvium — Flood plains — VERY fertile

3. The Peninsular Plateau

'This is the OLDEST and MOST STABLE landmass of India. It is composed of ancient CRYSTALLINE, IGNEOUS, and METAMORPHIC rocks. ICSE examiners test the DIVISIONS of the Peninsular Plateau in detail.'

Divisions

Plateau	Location	Key Features
Malwa Plateau	Central India	LAVA flows — BLACK SOIL
Deccan Plateau	South of Narmada	TRIANGULAR — bordered by Ghats
Chhota Nagpur Plateau	Jharkhand	MINERAL-RICH — coal, iron ore, mica
Meghalaya Plateau	Northeast	GARO, KHASI, JAINTIA hills — HIGHEST rainfall (Mawsynram)

4. The Indian Desert (Thar)

Aspect	Detail
Location	WESTERN Rajasthan
Area	~200,000 sq km
Climate	< 25 cm rainfall/year — HOT and DRY
Rivers	LUNI is the ONLY river — ends in the Rann of Kutch
Soil	SANDY — low fertility
Vegetation	SCRUB, thorn bushes, CACTI

5. The Coastal Plains

Plain	Width	Key Features
WESTERN Coastal Plain	10–80 km	NARROW — CONCORDANT coast — ESTUARIES
EASTERN Coastal Plain	80–120 km	WIDE — DISCORDANT coast — DELTAS

Divisions of Western Coastal Plain

Section	Location
Kachchh and Kathiawar	Gujarat
Konkan Coast	Maharashtra
Kanara Coast	Karnataka
Malabar Coast	Kerala

Divisions of Eastern Coastal Plain

Section	Location
Northern Circars	Odisha and Andhra
Coromandel Coast	Andhra and Tamil Nadu

6. The Islands

Group	Number	Location	Key Details
ANDAMAN & NICOBAR	~572	Bay of Bengal	Separated by TEN DEGREE CHANNEL. VOLCANIC origin. Port Blair = capital
LAKSHADWEEP	~36	Arabian Sea	CORAL origin. Kavaratti = capital

Common Mistakes in ICSE Answers

Mistake	Correction
Calling Kanyakumari the SOUTHERNMOST point	Indira Point (Great Nicobar) is the SOUTHERNMOST
Forgetting the TEN DEGREE CHANNEL	Separates Andaman from Nicobar islands
Confusing BHABAR and TERAI	Bhabar = pebbles. Terai = MARSHY
Ignoring the PENINSULAR plateau divisions	Malwa, Deccan, Chhota Nagpur — know EACH

ICSE Exam Focus — Marks Blueprint

Question Type	Marks	Frequency
Location and extent of India	4-6	Always
Physical divisions — description	6-8	Always
The Himalayas — THREE ranges	6-8	Very High
Northern Plains — divisions	4-6	Very High
Coastal Plains — East vs West	4-6	High

Self-Test

Location: State the NORTH-SOUTH and EAST-WEST extent of India. Which line (latitude) passes through the MIDDLE?
Himalayas: Describe the THREE parallel ranges of the Himalayas. Give ONE characteristic of EACH.
Plains: Name the FOUR divisions of the Northern Plains. Differentiate between BHANGAR and KHADAR.
Plateau: Name THREE sub-divisions of the Peninsular Plateau. What is the DECCAN PLATEAU known for?
Coast: Differentiate between the WESTERN and EASTERN coastal plains (any THREE differences).
Islands: Differentiate between the ANDAMAN & NICOBAR and LAKSHADWEEP islands (origin, location, number).
Neighbours: Which country shares the LONGEST land border with India? Which is the SHORTEST?

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