Project – 75

Project 75’s main purpose was to acquire 24 submarines. Ministry of Defense approved this project in the year 1997.

Highlights

In 1998 India began negotiations with DCN. DCN is a French defense company, Direction des Constructions. India has negotiated with DCN on four Scorpene-class submarines. At Mazagon Dock Limited, two of these were to be built.

After the 1999 Kargil War, the Government of India approved a 30-year submarine program. Project-75 was brought under this new plan. The new plan provided two parallel submarine production lines. One was under Project-75 already in progress and the other was under Project-75I (Project-75 India).

Construction of the submarines

In the year 2005, India signed a technology transfer agreement with France as part of Project 75. Under this agreement, six submarines will be built at Mazagon Dock Shipyard. By the year 2012 these submarines were to be delivered. The Scorpene-class submarine was chosen for its anti-ship missile launch capability and air-independent propulsion.

The first submarine delivered under this project was INS Kalvari. It was delivered in the year 2015. The second submarine was named INS Khanderi and commissioned in the year 2019. The third submarine is named INS Karanj and in the year 2021 it was commissioned. The fourth submarine is named INS Vela and was commissioned in the month of November 2021. The fifth submarine is named INS Vagir. The sixth submarine is named INS Vasgheer.

Technical details of the submarines

All six submarines built in Project 75 are Scorpene-class submarines (French name) or Kalvari-class (Indian name). They are diesel-electric attack submarines. The cost of a submarine is $ 450 million. They are attack submarines. Assault submarines are submarines designed to sink and attack other submarines. These submarines are equipped with torpedo tubes. Underwater, it reaches a top speed of 11 knots, or 20 km / h. The submarine has a range of 12,000 kilometers. The submarine’s engine is powered by four diesel engines and 360 battery cells. Submarine weapons are integrated with Submarine Tactical Information Distribution System (SUBTICS). The submarine has a sonar system that supports Low Frequency Analysis and Ranging.

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