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Andaman and Nicobar Islands, History, Climate, Map, Important Facts

Andaman and Nicobar Islands

The Andaman and Nicobar Islands are a union territory of India with 836 islands from which approximately 30 are inhabitated. The Andaman Islands are one of the two main groups of islands in the union territory with the Nicobar Islands to the south. Together, they form a chain of islands that separates the southeastern Bay of Bengal on the west from the Andaman Sea on the east. The territory shares sea borders with Indonesia (165 km south), Myanmar (280 km northeast), and Thailand (650 km southeast). The islands are divided into three districts: Nicobar, South Andaman, and North and Middle Andaman, with capitals in Car Nicobar, Port Blair, and Mayabunder.

Read More: Physiography of India

Andaman and Nicobar Islands: Breif Information

Andaman and Nicobar Island
  • The Andaman and Nicobar Islands are a union territory with 836 islands, covering an area of 8249 km² (3,185 sq mi).
  • The Andaman and Nicobar Islands are divided by the Ten Degree Channel, which is about 150 km (93 mi) wide.
  • The climate is tropical but cooled by sea breezes.
  • Coral reefs are found in both the Andaman and Nicobar Islands and the Lakshadweep Islands.
  • Barren and Narcondam Islands, north of Port Blair, are the only active volcanoes in India.
  • The Great Andaman Islands in the north are separated from the Nicobar Islands in the south by the Ten Degree Channel.
  • The archipelago has 265 islands: 203 in the Andaman group and 62 in the Nicobar group.
  • The capital is Port Blair.
  • Duncan Passage separates Little Andaman from South Andaman.
  • Saddle Peak (737 m) is the highest point in North Andaman, while Mt. Thuillier is the highest in Great Nicobar.
  • Baratang Island has the only mud volcanoes in the Andaman and Nicobar Islands.

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Islands of Andaman and Nicobar History

  • The name “Andaman” is believed to come from Lord Hanuman, who stopped in the region on his way to Lanka.
  • Famous islands like Neil and Ross are named after British engineers from the East India Company era.
  • The Jarawa tribe, living in parts of South and Middle Andaman Islands is protected and has a population of 250-400. Contact with them is illegal as they avoid outsiders.
  • During World War II, Japan controlled the Andaman Islands until 1945 when the British took over again. The Museum of the Japanese Occupation in Port Blair shows this history.
  • Hermit crabs, also known as coconut crabs, are the largest land-dwelling arthropods.
  • The 2004 Indian Ocean earthquake caused a huge damage to the Andaman Islands, including loss of life and land. The tsunami that followed took away 4.25 meters of land from Indira Point, the southernmost tip.
  • The leatherback sea turtle, the largest living turtle, nests in the Andaman Islands. Adults are 1 to 1.75 meters long and weigh 250 to 700 kilograms.

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Climate of Andaman and Nicobar Island

The sea breeze helps make the tropical climate of the Andaman and Nicobar Islands more pleasant. Temperatures basically stay between 70 and 80 degrees Fahrenheit throughout the year. The islands receive a lot of rain, about 3000 mm each year. Most of this rain comes from tropical cyclones, which occur from October to November, and the southwest monsoon, which lasts from May to September. Greater Nicobar gets the most rainfall compared to the other islands.

Read More: Climate of India

Andaman and Nicobar Islands in Points

  • The Andaman Islands are part of a submerged mountain range from Myanmar, and the Nicobar Islands continue from the Mentawai Islands near Sumatra.
  • The main rocks on these islands are sandstone, limestone, and shale.
  • These islands are located in the Bay of Bengal, stretching from 6°45′ N to 13°41′ N and 92°12′ E to 93°57′ E.
  • Great Nicobar Island is 145 km southeast of Sumatra, and Landfall Island is 280 km south of Myanmar.
  • The Andaman and Nicobar Islands have hilly terrain, with Saddle Peak (732 m) being the highest in the Andamans and Mt. Thuillier (568 m) in the Nicobars.
  • The Andaman Islands have one of the world’s largest mangrove ecosystems and a high diversity of unique plants and animals.
  • 90% of the Andamans’ land area is protected, including tribal reserves, wildlife sanctuaries, national parks, and a biosphere reserve.
  • The islands have fragile ecosystems with diverse landscapes, from coral reefs and beaches to forests and streams.
  • Little Andaman Island has unique ecosystems, including fresh and saline water marshes.
  • The islands are home to many species, including the Nicobar crab-eating macaque and over 250 bird species, with high levels of endemism due to their isolation.
  • Andaman has four national parks: Mahatma Gandhi Marine, Mount Harriet, Rani Jhansi Marine, and Saddle Peak.
  • Nicobar has two national parks and the Great Nicobar Biosphere Reserve, including Galathea National Park and Campbell Bay National Park.
  • Barren Island in the Andamans has an active volcano. Two volcanic islands, Barren and Narcondam, are located 80 km east of the Andaman Islands.
  • Rice is the main crop grown in both the Andaman and Nicobar Islands.
  • Coconut and arecanut are important cash crops in Nicobar.
  • The islands were known as ‘Kalapani’ during British rule as a penal settlement.
  • The British established this settlement in 1858 after the first Indian War of Independence in 1857.
  • The 10 Degree Channel separates the Andaman Islands from the Nicobar Islands and is about 150 km wide.
  • The Andaman Islands have hilly landscapes with the highest point being Saddle Peak at 732 meters.
  • The original inhabitants include the Great Andamanese, Onge, Jarawa, and Sentinelese in the Andaman Islands, and Nicobarese and Shompens in the Nicobars.
  • Around 50% of the population consists of settlers from mainland India.
  • Many areas are protected for tribal reserves, national parks, and wildlife sanctuaries. Significant biodiversity exists, with unique flora and fauna due to isolation.
  • Chatham Island has the largest sawmill in Asia.
  • Ross Island was the seat of British administration and is now deserted.
  • Cellular Jail is a historical site significant to freedom fighters.
  • Havelock Island is famous for coral reefs.
  • Neil Island is known for timbering operations.
  • Chiriya Tapu, also called Bird Island, is another attraction.

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Andaman and Nicobar Islands Flora and Fauna

The Andaman and Nicobar Islands are mostly covered by tropical rainforests. These forests have plants from Malaysia, India, and Myanmar. There are over 2,200 plant species on the islands, with about 200 of them being unique. Common plants include orchids, ferns, and Andaman redwood (narra). The Middle Andaman Islands have some deciduous forests, while the North Andaman Islands are filled with evergreen trees. The Nicobar Islands are the only ones that have grasslands.

Even though the islands are separated from the mainland, they have a wide variety of animals. There are 50 types of mammals, including local species like the Andaman wild boar. The islands also have 14 species of bats and 26 species of rodents. Other mammals found here include elephants, dugongs, spotted deer, shrews, and wild boars. There are about 270 species of birds, 14 of which are only found on these islands.

Read More: Biodiversity in India

Islands of Andaman and Nicobar Economy

The economies of the Andaman and Nicobar Islands are centred on agriculture and tourism, with agriculture serving as the primary source of income for the majority of households. A total area of 487 square kilometres is used for agriculture. On the islands, paddy is the primary crop, along with legumes and vegetables. In mountainous locations, a large variety of fruits, including oranges, mango, and pineapple, are grown.

The islands’ pristine beaches have made them popular tourist destinations. Water sports such as sea walking and snorkelling are becoming increasingly popular on the islands. Some islands are being developed into luxury resorts. Smith, Avis, and Long Islands are among the islands slated for development under the National Institute for Transforming India (NITI). Recent estimates show that 430,000 tourists visited the islands in 2016-2017, up from 130,000 a decade ago.

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Andaman and Nicobar Islands Demography

Although the Andaman and Nicobar Islands have over 836 islands, only 31 of them are inhabited. The Union Territory has a population of 380,000 people, 53% of whom are men. The Andaman Islands are home to roughly 90% of the total population, with the remainder living in the Nicobar Islands. Port Blair, the territory’s largest and capital city, has a population of 141,000 people.

In the Andamans, there are approximately 450 native Andamanese people, while the Nicobarese make up the majority in the Nicobar Islands. Sentinelese and Jarawa are indigenous Andamanese. The majority of islanders speak Bengali or Hindi, with Malayalam, Telugu, and Tamil also being widely spoken. The territory’s official language is Hindi. English is also used for official correspondence. The primary religion is Hinduism (69.5%), followed by Christianity 21.7%.

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Andaman and Nicobar Islands Administration

The British combined the Nicobar and Andaman Islands into one administrative unit in 1874. Nicobar, South Andaman, and North and Middle Andaman are the three districts that comprise the territory. Subdivisions and townships are formed from the districts (taluks). South Andaman is divided into three sub-divisions and four taluks, one of which is Port Blair. Lieutenant Governor is in charge of the Union Territory. It has one Lok Sabha member who represents it in the House of the People (Lok Sabha).

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Islands of Andaman and Nicobar Tourism

Port Blair, the capital and largest city of the Andaman and Nicobar Islands, serves as the Union Territory’s entry point. It can be reached by sea or air from mainland India. The primary airport serving the islands is Port Blair Airport, also known as Veer Savarkar International Airport. It is located about 2 kilometres south of the capital. The flight from mainland India to the airport takes about 2-3 hours. Travelling from Port Blair to Visakhapatnam, Chennai, or Kolkata takes 3-4 days.

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Other Indian Geography Topics

Seasons of India Mountains of India
Mangrove Forests in India Important Mountain Passes in India
Monsoon in India
Indus River System
Climate of India
Rivers of India
Tributaries of Ganga
National Parks in India
Important Dams in India
Wildlife Sanctuaries of India
Tiger Reserves in India
Northern Plains of India
Physiography of India
Important Lakes of India
Wetlands in India
Biodiversity in India
Natural Vegetation in India Earthquakes in India
Types of Soil in India
Ramsar Sites in India
Brahmaputra River System
Hydropower Plants in India
Nuclear Power Plants in India
Major Ports in India
Biosphere Reserves in India
Waterfalls in India

Other Fundamental Geography Topics

Solar System Types of Clouds
Structure of the Atmosphere Himalayan Ranges
Component of Environment
El Nino and La Nina
Coral Reef
Continental Drift Theory
Endogenic and Exogenic Forces
Indian Ocean Region
Pacific Ocean
Indian Ocean Dipole
Air Pollution
Environmental Impact Assessment
Tropical Cyclone
Western Disturbances
Types of Rocks

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FAQs

What is the capital of Andaman and Nicobar

Port Blair, is the capital and largest city of the Andaman and Nicobar Islands.

How many Islands makeup Andaman and Nicobar Islands?

There are 572 islands that make up the union territory of India known as the Andaman and Nicobar Islands (ANI), 38 of which are inhabited.

Which country owns North Sentinel Island?

One of the Andaman and Nicobar Islands, North Sentinel Island is a part of Indian territory. Don't assume North Sentinel Island is accessible, though, just because it is an Indian territory.

Can Indians visit North Sentinel Island?

It is illegal for Indian citizens to visit North Sentinel or make any contact with the Sentinelese, one of the last Stone-Age tribal communities that still live here. The Sentinelese, who have lived in isolation for centuries, attack anyone who even attempts to visit the remote island.

Is a passport needed for the Andaman trip?

Indian citizens do not need a passport or a permit to visit the Andaman and Nicobar Islands. To visit notified tribal areas, however, specific permission with visit details is required (e.g. research, educational, etc).

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