C. Administration Car Nicobar, along with neighboring Battimalv Island, is a tehsil. There are two more Tehsils of Nancowry and Campbell Bay to administer all the other islands of the district. The administrative capital is near the Indian Air Force station Car Nicobar Air Force Base, known as 'Headquarters' which is the largest junction in this small island with some shops, a hospital, a bank, a post office, Office of Superintendent of Police, Office of Deputy Commissioner and some other government offices. The official pin code of Car Nicobar is 744301. Although the area of Car Nicobar is less than 7% of the area of the Nicobar group, in the census of 2011 its population of 17841 was 48% of the total population of Nicobar. Flora and fauna The Car Nicobar islands do not have any evergreen forests, which dominate the central and southern islands of the Nicobars. Most of the island is covered with coconut plantation and natural flora is present only in the interior areas. Important Bird Area The island has been designated an Important Bird Area (IBA) by BirdLife International because it supports populations of various restricted-range or threatened bird species. These include Nicobar sparrowhawks, Nicobar serpent-eagles, Andaman wood pigeons, Andaman cuckoo-doves, Andaman boobooks, white-headed starlings and Nicobar green imperial pigeons. Transport Car Nicobar the district headquarters is from Port Blair. Ship service is available between Port Blair and Nicobar district. Normally ship is available twice in a week. One can obtain the ship ticket from the office of the Director, Shipping services (03192-245555) at Port Blair. Andaman and Nicobar Islands Administration in cooperation with Indian Air Force operate charter services between Port Blair's Veer Savarkar International Airport, Campbell Bay and Car Nicobar Air Force Base. There is also regular service of Pawan Hans helicopter available between Car Nicobar and Port Blair and other islands of the Nicobar district. Demographics There are 21 villages, the largest of which is named U-rèk-ka (called "Malacca-Perka" for tourists), with a population of 4,200. The villages are: The names in brackets are often used for tourists and other outsiders, as the local names in Nicobarese are difficult for outsiders to pronounce. Each village has a meaning "elderly heads", the number of which varies. From each of these elders three are elected as 1st, 2nd, and 3rd captain to look after the day-to-day affairs of the village. According to the 2011 census