INS Nireekshak (A15) (Inspector) is a diving support vessel (DSV) of Indian Navy.

In March 1995 the purchase option was invoked and the vessel was formally re-commissioned on 15 September 1995.

The ship is equipped with two Deep Submergence Rescue Vehicles (DSRV), capable of taking 12 men to 300 meters together, with two six-man recompression chambers and one three-man diving bell.

It is intended to facilitate rescue from a submarine in distress and training of saturation divers.

[6] On 16 April 2016, a sailor lost his leg while two others were injured in an oxygen cylinder explosion on board the ship.