"72.6" . . . "1986-04-30" . . "INS Sindhughosh" . . . . . "INS ''Sindhughosh'' (S55)" . . "9.9" . . . . "''Sindhughosh''" . "20.372" . . . . . . . . . "INS Sindhughosh (S55)" . . "INS Sindhuvir" . "INS Sindhughosh (S55)" . . .