L&T, Tata Projects, and DRA Infracon emerge as lowest bidders for construction of underground stations of Chennai Metro Line 3, India September 30, 2021 | Asia Pacific News Larsen & Toubro (L&T), Tata Projects, and Dineshchandra R Agrawal Infracon (DRA Infracon) have emerged as the lowest bidders for construction works of different packages (UG01 to UG05) of Chen... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password