Mumbai - Larsen & Toubro Ltd is discussing potential partnerships with shipbuilders and customers in South Korea and Japan as it weighs a return to commercial shipbuilding, a segment it exited almost immediately after opening a greenfield yard at Kattupalli near Chennai in 2008 following the collapse of the Lehman Bros which roiled global trade and in turn demand for ships.

India’s biggest engineering and construction firm is also considering plans to expand its marine equipment business as part of a broader strategy to create an equipment ecosystem within the country, a factor critical to . . .