Context: Recently the fifth Scorpène-class conventional submarine, Vagir, was delivered to the Navy.
About Submarine Vagir:
INS Vagir (S25) is the fifth submarine of the first batch of six Kalvari-class submarines for the Indian Navy.
It is a diesel-electric attack submarine based on the Scorpène class, designed by French naval defence and manufactured by Mazagon Dock Limited.
The submarine inherits its name from INS Vagir (S41) which served in the Navy from 1973–2001, and was named after a species of sandfish.
Kalvari class:
The Kalvari class is a class of diesel-electric attack submarines based on the Scorpène-class submarine being built for the Indian Navy.
The class and submarines take their names from the first submarines inducted in the Indian Navy.
The Sixth and last of the Scorpène-class submarines, Vagsheer, was launched into water in 2022 and is expected to be delivered to the Navy by 2023-end.
The first submarine, INS Kalvari, was commissioned in 2017, the second INS Khanderi in 2019, the third INS Karanj in 2021 and the fourth INS Vela in 2021.