Answer : 2. "DRDO"
Explanation :

Defense Research and Development Organization (DRDO) successfully test fired Supersonic Missile-Assisted Release of Torpedo (SMART) system off Dr APJ Abdul Kalam Island, Odisha coast on May 1, 2024. The testing validated advanced mechanisms such as symmetric separation and velocity control. Defense Minister Rajnath Singh and DRDO Chief Dr. Sameer V Kamat praised the SMART team. SMART is a next generation lightweight torpedo delivery system that enhances the Indian Navy's anti-submarine capabilities, comprising a supersonic missile carrier with a 643 km range and a 20 km range lightweight torpedo.