Mazagon Dock Shipbuilders Limited: Mazagon Dock Shipbuilders Limited (MDL) is a leading
      Defence PSU established as public limited company in 1934. The Company was taken over by
      the Government of India in 1960 with the aim of building indigenous warships. MDL has built
      and delivered various types of warships like destroyers, frigates, missile corvettes, missile boats
      and submarines besides commercial vessels and rigs/platforms for ONGC.
           The Company has upgraded and augmented its warship construction facilities in this regard,
      new facilities of additional production line, module workshop and wet basin have been created as
      part of the modernization plan. The new assembly workshop has been developed for submarine
      construction.
      Relevant Website: www.mazagondeck.in
      Garden Reach Shipbuilders and Engineers Limited: Garden Reach Shipbuilders and Engineers
      Ltd (GRSE), a Mini Ratna Category-I Company was incorporated as a Defence PSU in 1960.
      Over the years, GRSE has established well proven capabilities for in-house ship design/
      shipbuilding and has made significant contribution to the success of the indigenous warship
      construction programme. It has emerged as a leading shipyard, building a wide array of vessels,
      from the state-of-the-art fast attack crafts to world class stealth frigates. Apart from shipbuilding
      and ship repair, GRSE has also diversified into engineering business with product profile of
      diesel engines, various deck machinery and pre-fabricated steel bridges,. The Shipyard has
      modernized its diesel engine plant recently and has tied up with MTU Germany to indigenize
      manufacturing of marine engines.
      Relevant Website: www.grse.in
      Goa Shipyard Limited: Goa Shipyard Limited (GSL) is a Mini Ratna Group - I status company
      and is capable of indigenously designing and building high technology and sophisticated ships to
      meet the crucial maritime security needs of the country. For over four decades and more, GSL
      has designed and built wide ranges of sophisticated vessels for defence commercial sectors with
      special expertise in building modern patrol vessels of steel and aluminium hull. GSL product
      range includes Offshore Patrol Vessels (OPVs), fast patrol vessels, missile boats, survey vessels,
      landing craft utility vessels and other auxiliary vessels. It has also successfully ventured into
      building Glass Reinforced Plastic (GRP) Interceptor boats.
      Relevant Website: www.goashipyard.in
      Hindustan Shipyard Ltd: Hindustan Shipyard Ltd (HSL) was set up originally in 1941 by Seth
      Walchand Herachand to promote indigenous shipbuilding industry. The shipyard was transferred
      to Ministry of Defence in 2010. The shipyard has very good infrastructure and potential of
      emerging as leading shipyard on the eastern coast. HSL has been entrusted for undertaking
      construction of various vessels including patrol vessels, repair of submarine, etc. Since inception
      the shipyard has built 179 ships. HSL is located on the east coast of the country and is nation’s
      premium shipbuilding and ship submarine repair organization.
      Relevant Website: www.hslvizag.in
      Mishra Dhatu Nigam Ltd: Mishra Dhatu Nigam Limited (MIDHANI) was set up in the early
      1970s’ initially to manufacture critical materials required in the strategic sectors of India’s
      defence industry. MIDHANI manufactures super-alloys, titanium alloys, special steels, magnetic
      alloys in various forms like cast ingots, forgings, hot rolled and cold rolled rods, wire, sheets and
      strips, near net shapes, investment castings and industrial fasteners. As part of its CSR activity, it