After the fire damage in 2010, Sindhurakshak was sent to Russia for a two and a half year refit, overhaul and upgrade.
In August 2010, INS Sindhurakshak arrived at Zvezdochka shipyard in Russia.
The submarine was modernized repaired, and retrofitted and after the upgrades the sea trials started in October 2012.
The submarine was handed back to the Indian navy on 27 January 2013, after which it sailed back to India. This was the first time an Indian submarine had navigated under ice.
