SDHI inks exclusive deal with Europe’s offshore oil and gas vessel leader Royal IHC September 25, 2025 Maritime, Ports, Private Port, Ship Building, Shipping, Shipyards, Trade, Trending News NEW DELHI: Swan Defence and Heavy Industries Limited (SDHI), India’s largest shipbuilding and heavy fabrication company, has signed an exclusive Memorandum of Understanding (MoU) with European offshore oil & gas vessel leader Royal IHC.