1st made-in-India Scorpene-class submarine enters service
PM Narendra Modi on Thursday commissioned India's first indigenous Scorpene-class submarine Kalvari into the Navy at Mumbai's Naval Dockyard. The 1,565-tonne INS Kalvari is India's first new diesel-electric submarine in 17 years and will be followed by five other Scorpene submarines under the â¹23,000-crore "Project-75". It is equipped with acoustic silencing techniques and weapon launching tubes.