INS Brahmaputra (F31) is the lead ship of her class of guided missile frigates of the Indian Navy. She was built at the Garden Reach Shipbuilders and Engineers (GRSE), Kolkata. The design and construction of the ship is entirely Indian, and is a modification of the Godavari class of frigates. It is fitted with an array of modern sensor suites and matching weapon systems. INS Brahmaputra was commissioned on April 14, 2000 by Captain Pradeep 'Billoo' Chauhan, VSM.