Due to the remote location and lack of exposure with the rest of the world, outsiders economically exploited the innocent islanders for a long time.

To stop their economic exploitation, the Government of India declared the Nicobar Islands an Aboriginal Tribal Reserve Area (ATRA) on 2 April 1957.

According to recent history, an archeological inscription dating to AD 1059 says that Nicobar was part of the overseas kingdom of Tamil Chola King of Tanjore.

provided Staff Quarters were situated very close to the sea shore and a very few managed to escape to the nearby hill.

Katchal is inhabited by Nicobari Tribes and Migrated Tamilians (For Rubber plantation workers under Sastri-Srimao Bandaranayaka Pact of 1964).

Mildera is another village in the island inhabited by non tribal people (Tamil repatriates and Ranchi communities).

[9][10] The Island is not open to tourists and special permission is required from the local administration at Port Blair.

Information Technology: Connected by VSAT under E-Governance project of A & N Administration for speeding up the developmental works and effective monitoring.

According to initial estimates, 112 hectares (277 acres) of land has been rendered useless due to salination after the tsunami, and 3.54 lakh coconut and an equal number of Supari (betel nut) trees destroyed.