The Western Naval Command announced that INS Sindhughosh, the lead submarine of her class, was decommissioned after 40 years of service on December 19, 2025. The ceremony took place at Naval Dockyard, Mumbai, in the presence of Vice Admiral Krishna Swaminathan and other dignitaries. The submarine was commissioned on April 30, 1986, under the command of late Cdr KC Verghese.