INS Vagir (S25) () is the fifth submarine of the first batch of six s for the Indian Navy. It is a diesel-electric attack submarine based on the , designed by French naval defence and energy group Naval Group and manufactured by Mazagon Dock Limited, an Indian shipyard in Mumbai, Maharashtra.
The ship was launched on 12 November 2020.
The submarine inherits its name from INS Vagir (S41) which served in the Navy from 1973 to 2001, and was named after a species of sandfish.
Vagir, the fifth submarine in the , started its maiden sea trials on 2 February 2022. The ship was commissioned on 23 January 2023.
Vagir was deployed on an extended patrol in the Indian Ocean. It first reached the Sri Lankan Port of Colombo on 19 June 2023 for a formal visit and departed the island on 22 June 2024. Later it covered nearly 7000 kilometres to reach Fremantle, Australia on 20 August 2023. This is the first time an Indian Scorpene submarine was on such a long deployment.