Cochin Shipyard Ltd is the largest shipbuilding and maintenance facility in India. It is part of a line of maritime-related facilities in the port-city of Kochi, in the state of Kerala, India. Of the services provided by the shipyard are building platform supply vessels and double-hulled oil tankers. It built the first indigenous aircraft carrier for the Indian Navy, the INS Vikrant. The company has Miniratna status. Wikipedia