President Murmu Undertakes Submarine Sortie on INS Vagsheer

Why in News?

President Droupadi Murmu undertook a historic submarine sortie aboard INS Vagsheer at Karwar Naval Base. She became only the second Indian President after Dr. APJ Abdul Kalam (2006) to experience a submarine dive.

INS Vagsheer:

• Sixth and final submarine of Project-75 (Kalvari-class).
• Built by Mazagon Dock Shipbuilders Limited (MDL), Mumbai Technology collaboration with Naval Group, France

Background: Project -75 (Kalvari-Class Submarines)

Project-75 (P-75) is a major Indian Navy program for the indigenous construction of six Kalvari-class diesel-electric attack submarines. These vessels are based on the Scorpène-class design from the French firm Naval Group (formerly DCNS) and were built at Mazagon Dock Shipbuilders Limited (MDL) in Mumbai through a Transfer of Technology (ToT) agreement

The list of Six submarines are:

• INS Kalvari (2017)
• INS Khanderi (2019)
• INS Karanj (2021)
• INS Vela (2021)
• INS Vagir (2023)
• INS Vagsheer (2025)

Exam Tip:

Project-75 = Kalvari-class submarines (6 total)

Kalvari-class = Diesel-electric (NOT nuclear submarines)