Journalist and political commentator Swapan Dasgupta has been appointed on the board of director of Larsen & Toubro. Dasgupta joins the board as a nominee of the Specified Undertaking of the Unit Trust of India (Suuti), replacing A K Jain. He will take charge as a director from April 1. Sunita Sharma has been appointed as a director representing Life Insurance Corporation of India from April 1.