INS Vagsheer, the sixth Scorpene-class submarine under the Project-75, was launched by defence secretary Ajay Kumar at Mazagon Docks in Mumbai on 20 April 2022. Named after sandfish, a deadly deep water sea predator of the Indian Ocean, the first submarine ‘Vagsheer’ was commissioned in December 1974. It was decommissioned in April 1997.
INS Vagsheer is the final Scorpene-class submarine to be launched and it will be delivered to the Indian Navy on March 2024 after a comprehensive and rigorous series of tests and trials to make it completely ready for combat.
INS Kalvari (2017), INS Khanderi (2019), INS Karang (2021) and INS Vela (2021) have already been commissioned and INS Vagir the fifth of the P75 Scorpene project is under sea trials. All Scorpene class submarines are diesel electric submarines and are jointly developed by French Naval group defence company Direction des Constructions Navales International (DCNI). Ministry of Defence, Government of India has approved the launch of a $6.14 billion (₹43,000) program for the construction of six conventional submarines under Project 75-I.
The project P-75I was approved by the Ministry of Defence in 1997. A 30 year roadmap was laid down. Initially, the P-75 was a 30-year submarine building plan in which India was to build 24 submarines — 18 conventional submarines and six nuclear-powered submarines (SSNs). In 2005, India and France signed a $3.75 billion contract for building six Scorpene class submarines.