▁a ▁reduction ▁g ear box . ▁ ▁Sh ips ▁of ▁the ▁class ▁ ▁The ▁first ▁ship , ▁ ▁was ▁launched ▁on ▁ 3 0 ▁March ▁ 2 0 0 9 ▁in ▁the ▁presence ▁of ▁Chief ▁of ▁Naval ▁Staff , ▁Admir al ▁Sure esh ▁Me ht a . ▁IN S ▁S ary u ▁was ▁handed ▁over ▁to ▁the ▁Navy ▁on ▁ 2 1 ▁December ▁ 2 0 1 2 ▁and ▁was ▁commission ed ▁on ▁ 2 1 ▁January ▁ 2 0 1 3 ▁at ▁Vas co ▁da ▁G ama , ▁by ▁the ▁Commander - in - Ch ief ▁of ▁And aman ▁and ▁Nic obar ▁Command , ▁Air ▁Marsh al ▁P ▁K ▁Roy . ▁ ▁The ▁second ▁ship , ▁IN S ▁Sun ay na , ▁was ▁handed ▁over ▁to ▁the ▁Indian ▁Navy ▁on ▁ 2 ▁September ▁ 2 0 1 3 ; ▁her ▁first ▁CO ▁was ▁to ▁be ▁C dr ▁A ft ab ▁Ah med ▁Khan . ▁The ▁three ▁remaining ▁ships ▁were ▁delivered ▁subsequently ▁with ▁an ▁interval ▁of ▁six ▁months ▁each . ▁IN S ▁Sum it ra , ▁the ▁fourth ▁and ▁last ▁OP V , ▁was ▁delivered ▁to ▁the ▁Navy ▁by ▁G SL ▁on ▁ 1 6 ▁July ▁ 2 0 1 4 . ▁Two ▁ships ▁were ▁delivered ▁to ▁Sri ▁L ank an ▁Navy ▁in ▁ 2 0 1 7 ▁and ▁ 2 0 1 8 . ▁ ▁Gallery ▁ ▁See ▁also ▁List ▁of ▁active ▁Indian ▁Navy ▁ships ▁List ▁of ▁Sri ▁L anka ▁Navy ▁equipment ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁S ary u ▁Class