being charged. The sailors were admitted to the Military Hospital, Thiruvananthapuram as the ship was on it way to Mumbai from Visakhapatnam. June 2016: Two people, a sailor and a civilian contractor, were killed by a toxic gas leak that occurred during maintenance work in the Sewage Treatment Plant compartment during the first refit of the aircraft carrier at Karwar, Karnataka. Two other people were injured and taken to the naval hospital. August 2016: A minor fire broke out at INS Dega after a MiG-29K accidentally jettisoned one of its drop tanks. October 2016: Sub Lieutenant Tejveer Singh died on 11 October 2016 onboard INS Kuthar after he accidentally fired his 9mm pistol. He was shifted to Naval Hospital INHS Kalyani in Visakhapatnam where he succumbed to his injuries. November 2016: The front portion of INS Nashak was damaged when its GT engines failed in Mumbai harbor and it collided with a jetty on 18 November. December 2016: Two sailors died and 14 others were injured when INS Betwa tipped over and crashed on its side while it was undocking in Mumbai on 6 December. The main mast of the ship broke when it tipped over due to a failure in the dock block mechanism. The ship was being undocked after undergoing a midlife refit. January 2017: A minor fire broke out at 11.40am on 10 January in the Gyro compartment of INS Pralay during welding work at Mumbai naval dockyard. The fire was extinguished by the ship's staff and the Naval Dockyard fire station and no one was injured during the incident. October 2021: Four sailors were injured when a fire broke out on the INS Ranvijay while it was berthed in Vishakapathanam. January 2022: Three sailors died and eleven others were injured when an explosion took place aboard the INS Ranvir while it was docked in Mumbai. See also List of submarine incidents since 2000 List of Russian military accidents List of Chinese military accidents References Naval accidents Naval accidents Accidents Indian Naval Indian submarine accidents