All foreign nationals can stay in the islands for 30 days with a valid permit. This period can be extended by another 15 days with permission of the competent authority. They require a permit to stay from the immigration authorities. In addition, permits can also be obtained from: Indian Missions Overseas, Foreigner’s Registration Offices at Delhi, Mumbai, Chennai, Kolkata and the immigration authorities at the airports at Delhi, Mumbai, Calcutta and Chennai. The places covered by this permit for night halt are: South Andaman Island, Middle Andaman Island and Little Andaman Island (except tribal reserve), Neil Island, Havelock Island, Long Island, Diglipur, Baratang, North Passage and islands in the Mahatma Gandhi Marine National Park (excluding islands – Boat Hobday, Twin, Tarmugli, Malay and Pluto) Night halt in the Park is with permission only.
For Day Halt
South Cinque Island, Ross Island, Narcondum Island, Interview Island, Brother Island, Sister Island and Barren Island ( Barren Island can be visited on board vessels only).
Indian nationals need no permit to visit Andamans. However, permits are required to visit Nicobar Islands and other tribal areas, which are given in exceptional cases. Application on a prescribed form may be addressed to the Deputy Commissioner, Andaman District, Port Blair.