INS Kalvari , which has been commissioned by Indian Navy recently is a .............?
INS Kalvari is Indian Navy’s first Scorpene submarine under Project 75. Diesel-electric powered Scorpene submarine was commissioned at the Mazagon Dock Limited (MDL).
Lt Commander Abhilash Tomy of the Indian Navy became the first Indian to complete a solo, unassisted, non-stop circumnavigation of the world in 2013. What was the name of the vessel used by him?