The Port of Kolkata, established in 1870, is India's oldest and the only major river port.[187] The Kolkata Port Trust manages docks in Kolkata and Haldia.[188] The port hosts passenger services to Port Blair, capital of the Andaman and Nicobar Islands; freighter service to ports throughout India and around the world is operated by the Shipping Corporation of India.[187][189] Ferry services connect Kolkata with its twin city of Howrah, located across the Hooghly River.[190][191]