The DRDO is also developing a heavyweight torpedo as the next version of its light torpedoes for submarines and surface ships.
The proposal for acquisition of the torpedoes has been going on for more than 10 years now as an earlier proposal to acquire it from an Italian firm WASS was scrapped due to its alleged links with the scam-tainted AgustaWestland and Finmeccanica group of companies allegedly involved in the chopper scam.
Vice Admiral KN Sushil, a submariner, who retired as the head of Southern Naval Command said, " There is no problem in marrying an older torpedo
to a new platform however we need to ask if that is what we'd set out to achieve?
Without her torpedoes, the Kalvari will have no weapons to target enemy submarines.
Senior Indian navy sources tell NDTV that identifying, shortlisting and testing new torpedoes as part of a new tender is likely to take at least another five years.
"The torpedo is just fired from submarines and the Navy's Tareq class and Qadir class submarines are equipped with the torpedo," he added.
Iran started mass-production of home-made advanced Valfajr torpedo in a ceremony attended by Defense Minister Brigadier General Hossein Dehqan and Rear Admiral Sayyari on Tuesday.
THE Russian submarine Kursk sank with the loss of its 118 crew because an experimental torpedo
misfired and turned into "a flame-thrower".
Hornet's dive bombers missed contact, but 15 planes comprising her Torpedo
Squadron 8 found the enemy and pressed home their attacks.
The man hours and millions of yen spent on Shinano's construction made it nearly inconceivable that a few torpedo
hits would put her out of action.