Answer: Defence Research and Development Organisation (DRDO)
Notes: Recently, user trials of Extended Range Anti-Submarine Rocket (ERASR) were successfully conducted from INS Kavaratti. Extended Range Anti-Submarine Rocket (ERASR) is a fully indigenous anti-submarine weapon built for Indian Naval Ships. It is launched from Indigenous Rocket Launchers (IRL) installed onboard naval ships. It is designed to combat underwater submarine threats with precision. It was developed by Armament Research & Development Establishment (ARDE), Pune, under Defence Research and Development Organisation (DRDO).
