On Wednesday, the Indian Navy gets Scorpene-class submarine INS Karanj. INS Karanj is the third diesel-electric submarine of the Kalvari class. INS Karanj is one of the top submarines in the world. INS Karanj has the best sonar and does not make noise at all. The submarine is completely made in India, which is a big boost for Aatmnirbhar Bharat. Watch the video to know more.