Jul 05, 2020 Mega Coal Corridor Project of Mahanadi Coalfields Ltd The mega coal corridor project of Mahanadi Coalfields Ltd (MCL) between Bankibahal and Bhedabahal in Sundargarh district progress is in slow pace. After a preliminary survey, the MCL had entrusted the work to PWD in 2017. The initial project cost was Rs. 398 core, later revised to Rs. 430 crore. The project contains five major bridges, of which work is underway for one and agreement for another would be signed shortly.