https://www.thehansindia.com/amp/news/cities/visakhapatnam/governor-of-telangana-visits-ins-himgiri-and-a-kalvari-class-submarine-1036462
Visakhapatnam: Governor of Telangana Jishnu Dev Varma visited Indian Naval Ship (INS) Himgiri, the indigenously built advanced stealth frigate of the Eastern...
ins himgirikalvari classgovernortelanganavisits
https://www.navalnews.com/naval-news/2024/12/indian-mod-signs-two-contracts-worth-335-million-to-upgrade-kalvari-class-submarines-with-aip-and-electronic-ewt-capabilities/
The Indian MoD inked deals for an AIP plug and for the integration of an heavyweight torpedo for the Kalvari-class submarines
indianmodsignstwocontracts
https://www.naval-technology.com/projects/p75-scorpene-class-attack-submarines/
Apr 28, 2022 - The Project 75 Kalvari-class comprises six P75 Scorpene attack submarines, three of which had been commissioned by October 2021.
kalvari classattack submarinesscorpeneindia