M a h a n a d i Coalfields Limited (MCL), a subsidiary of Coal India Limited, and a "Mini Ratna" company of the Government of India was formed in 1992 with its corporate office at Sambalpur (Orissa). The company was formed by the bifurcation of coal mines of Orissa from South Eastern Coalfields Limited, with the then coal production being 23.14 million tonnes (mt).