INS Vagir | IAS GYAN

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Context: The fifth submarine of the Project – 75, Kalvari Class submarines, Yard 11879 was delivered to the Indian Navy on December 20, 2022.

Details:

Vagir was launched into water on November 12, 2020 and commenced sea trials on February 1, 2022.
It is having "superior stealth features" like advanced acoustic absorption techniques.
The sixth and last of the Scorpène-class submarines, Vagsheer, was launched into water in April 2022 and is expected to be delivered to the Navy by end 2023.
Six Scorpene submarines are being built under Project-75 by MDL under technology transfer from Naval Group of France under a $3.75 billion deal signed in October 2005.
The project is about four years behind schedule.
The first submarine INS Kalvari was commissioned in December 2017, second submarine INS Khanderi in September 2019, third one INS Karanj in March 2021 and the fourth one INS Vela joined service in November 2021.