The islands were administered from the Tranquebar the headquarters of the Danish East Indian company, but were often abandoned due to Malaria outbreaks.

[5] Great Nicobar Island was severely affected by the 2004 Indian Ocean earthquake tsunami with many deaths, and was cut off from all outside contact for over a day.

Virtually all rivers flow in a southern or southwesterly direction, which is indicative of the general slope of the terrain across the island.

Mount Thullier, which is part of this range, has the highest elevation of any point in the Nicobars, at 642 m above sea level.

[9][10] The INS Baaz naval air station, near Campbell Bay, is under the joint-services Andaman and Nicobar Command (ANC) of the Indian Armed Forces.

The plan was proposed on 18 January 2021 by an Indian policy think tank (NITI Aayog) and informed by a feasibility report written by AECOM India Private Limited.

Environmental Justice groups have pushed back claiming that the development plan would make it unlikely that the leatherback sea turtles would continue to nest in the Galathea Bay and negatively impact the nomadic livelihoods of the indigenous Shompen people.

Survival International, a global NGO campaigning for indigenous rights, has said that the mega-development will put the Shompen at risk of being wiped out.

[20] Indira Point has a 35 m high cast iron (with red and white bands) lighthouse with 16 nautical miles range.

The lighthouse has (RACON (Code 'G') ii DGPS station) with a 300 mm 4 panel revolving light inside a 2.5 m diameter lantern house (BBT).

It is an important landmark on the international shipping lane Colombo-Singapore route via Malacca Strait that passes south of Indira Point.