DNA Explainer: All about sixth Scorpene-class submarine INS Vagsheer - INS Vagsheer is constructed under Project-75, a USD 3.75 billion venture deal signed in October 2005, aimed at building six Scorpene-class submarines.
INS Vagsheer submarine launch: How P75 Scorpene project will boost India’s naval capabilities - INS Vagsheer, sixth and last submarine of its class, is part of the ambitious P75 Scorpene project that aims to boost India’s naval capabilities.