SEMT Pielstick
BNS "Nirmul" is of long, wide and has a draught with a displacement of 648 tonnes. The ship has a bulbous bow that suggests it is very stable in heavy sea states. It has speed and range to support long lasting missions. The LPC is powered by triple SEMT Pielstick 12PA6 diesels driving three screws for a top speed of . The range of the ship is and endurance is 15 days. It has a complement of 60. This ship is able to perform limited anti-submarine warfare operations.