▁a ▁sub marine - launch ed ▁ball istic ▁miss ile ▁for ▁use ▁with ▁the ▁Indian ▁Navy ▁nuclear - power ed ▁s . ▁It ▁was ▁developed ▁at ▁the ▁Def ence ▁Research ▁and ▁Development ▁Organisation ’ s ▁( DR DO ) ▁miss ile ▁complex ▁in ▁Hy der abad . ▁ ▁The ▁development ▁of ▁the ▁under water ▁miss ile ▁launch er , ▁known ▁as ▁Project ▁ 4 2 0 , ▁was ▁completed ▁in ▁ 2 0 0 1 ▁and ▁handed ▁over ▁to ▁the ▁Indian ▁Navy ▁for ▁tri als . ▁The ▁miss ile ▁launch er ▁is ▁developed ▁at ▁Haz ira ▁in ▁Gu jar at . ▁The ▁S agar ika ▁miss ile ▁began ▁integration ▁with ▁India ' s ▁nuclear - power ed ▁Ari h ant ▁class ▁sub marine ▁that ▁began ▁har bor ▁tri als ▁on ▁ 2 6 ▁July ▁ 2 0 0 9 . ▁ ▁By ▁ 2 0 0 8 , ▁the ▁miss ile ▁was ▁successfully ▁test ▁fired ▁seven ▁times , ▁and ▁tested ▁to ▁its ▁full ▁range ▁up ▁to ▁four ▁times . ▁The ▁tests ▁of ▁ 2 6   F ebru ary ▁ 2 0 0 8 , ▁were ▁conducted ▁from ▁a ▁sub mer ged ▁p onto on ▁ ▁beneath ▁the ▁surface ▁off ▁the ▁coast ▁of ▁Vis akh apat nam . ▁A ▁land - based ▁version ▁of ▁the ▁K - 1 5 ▁S agar ika ▁was ▁successfully ▁test - f ired ▁on ▁▁ 1 2 ▁ ▁November ▁ 2 0 0 8 . ▁A ▁full ▁range ▁test ▁of ▁the ▁miss ile ▁was ▁done ▁on ▁ 1