Mazagon Dock Shipbuilders Limited, formerly known as Mazagon Dock Limited was incorporated as a Private Limited Company on February 26, 1934 in Mumbai. The name of the Company was changed from Mazagon Dock Limited to Mazagon Dock Shipbuilders Limited on May 28, 2015. The Company is one of India's leading Defence Public Sector Undertaking Shipyards under the Ministry of Defence (MoD). The Company is principally engaged in building and repairing of ships, submarines, various types of Vessels and related engineering products for its customers.
At present MDL is handling two Shipbuilding projects for Indian Navy, comprising of four ships of P15B & four ships of P17A each. Besides, MDL is also handling construction of six Scorpene class Submarines for the Indian Navy, out of which three Submarines have already been delivered. The Company have the capability to build warships, submarines, merchant ships upto 4,17,600 DWT since 1979. The Company acquired the 'Navratna' status in 2024, making MDSL the only shipyard in India to receive this elite classification by the Dept. of Public Enterprise.
In 1960, Mazagon Dock Shipbuilders Limited was taken over by the Government of India (GoI) for Indigenous production of warships for the Indian Navy.
In 1972, the Company delivered the first frigate, INS Nilgiri.
In 1984, the Company inaugurated undertaking submarine construction.
In 1992, the Company commissioned first Indian built submarine, INS Shalki.
In 1997, the Company delivered first Delhi class Destroyer under project P15.
In 1998, the Company was accredited with ISO certification for shipbuilding.
In 2000, the Company upgraded to Schedule A' status from Schedule B'.
In 2006, the Company received Award for Mini Ratna Category - I status.
In 2007, the Company was awarded for Excellence & Outstanding contribution to the Public Sector Management - Special Institutional Category.
In 2008, the Company bagged award for Raksha Mantri for Best