Correct Answer : Option (D) - 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