Port Blair Port is a seaport in South Andaman District of Andaman and Nicobar in India, near the city of Port Blair. Located on the Andaman Sea, it is one of major ports in India. The port opareted by Port Blair Port Trust. All major provisions of the Major Port Trusts Act, 1963, have become applicable to the major port of Port Blair from June 1, 2010. With this, the Port Blair becomes the 13th major port in India and only major port in Andaman and Nicobar .