Mazagon Dock Shipbuilders Ltd (MDSL) is Indias leading defence public sector undertaking shipyard under the Ministry of Defence (MoD). Mazagon Dock is primarily engaged in constructing and repairing warships and submarines for MoD and other types of vessels i.e. cargo ships, multipurpose support vessels, barges and border outposts, tugs, dredgers, water tankers, etc. for commercial