Correct Answer : INS Sindhudhvaj
* Indian Navy has decommissioned INS Sindhudhvaj on Saturday(16th July 2022), a Kilo-class submarine, acquired from Russia in 1987.
* India had acquired 8 of the submarines, designated 877 EKM, between 1986 and 1991 and two more were acquired between 1998 and 2000.
* India has four Type 209 submarines of German origin and four of the indigenously manufactured Scorpene class of French origin.
* Two more Scorpene submarines will be delivered to the Indian Navy by 2023 end..
Source : Business Standard