Scorpene submarine data leak: Kalvari would be equipped with anti-ship missiles and long range guided torpedoes along with modern sensor suite. A technology, called air independent propulsion system, will ensure that it stays underwater longer.
Scorpene submarines are 67 meters long, 6.2 meters wide, and have 1,550 tones displacement. Even though it is powered by diesel, the 67-metre long submarine having 6.2 metre diameter has been designed to minimise noise and act with stealth in war situations. (File photo of India's Scorpene submarine)