India, Aug. 30 -- The Defence Research and Development Organisation's (DRDO's) High Energy Materials Research Laboratory (HEMRL) in Pune has successfully developed and indigenised a 'signal star naval flare' for Kalvari-class submarines of the Indian Navy. The system was formally handed over to the director general - naval armament inspection (DG-NAI) at a ceremony held in Pune on Friday.

A press release issued by the ministry of defence stated: "The signal star naval flare is a specially designed underwater signalling device, tailored to the demanding operational needs of submarines. It is ejected from the submarine's signal ejector, travels through the water column, and activates upon surfacing. Once at the surface, the flare ignites a...