
"We will testfire the underwater version of the missile by the end of this year after we get the pontoon for the purpose," BrahMos Aerospace chief A Sivathanu Pillai told reporters here.
Underwater weapon-delivery platforms are considered to be the most potent second strike capability of countries' defence strength.
India has developed significant underwater weapon delivery platforms in the recent past including an indigenously-built nuclear submarine INS Arihant and successfully test-fired the nuclear capable 700km range K-15 Shaurya missile.