The naval headquarters has written a letter seeking expression of intent to the shortlisted shipyards, who will have to respond by July 21.
Besides the state-run shipyards, the four private shipyards L&T, Pipavav, ABG shipyard and Bharti shipyard.
The development came after a high-level study group, headed by Assistant Controller of Carrier Project Rear Admiral Surinder Ahuja, was set up to carry forward the project for the aircraft carrier that will have a displacement of 65,000 tonnes.