The vessels are intended for offshore patrol duties for the protection of oil platforms and the Indian exclusive economic zone.
They are powered by two Kirloskar-SEMT-Pielstick diesel engines (8,000 hp, 6,000 kW) driving two propellers and have a range 7,000 nautical miles (13,000 km; 8,100 mi) at a cruising speed of 15 knots (28 km/h; 17 mph).
[4] Each ship carries a single Dhruv Advanced Light Helicopter (ALH), with dedicated hangar and flight deck, and five high speed boats.
[3] On 25 August 2024, Indian Coast Guard rescued 11 crew members from a sinking merchant vessel MV ITT Puma.
The MV was travelling from Kolkata to Port Blair when it sank 90 nautical miles south of Sagar Island due to adverse weather and sea environment.