INS Sindhukesari (S60) () is a diesel-electric submarine of the Indian Navy.
Mid life upgrades and career INS Sindhukesari, inducted in 1989, underwent a mid-life upgrade in 2018 at the Zvezdochka Shipyard in Severodvinsk in Russia, according to The Indian Navy reports. The upgrade included a refit and modernization, aiming to extend the submarine's service life. This upgrade is part of a broader program to modernize the Indian Navy's Kilo-class submarines. She participated in the International Fleet Review 2026 held at Visakapatnam. The submarine was on a port call at the Port of Colombo, Sri Lanka for an operational turnaround on 3 May 2026.
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