-0.20 (-0.05%) Coal India Ltd proposes to build three new rail links having a total length of 350 km to connect its coal fields in the interiors. This could require an investment of Rs 2,000-Rs 3000 crore depending on the terrain. The new rail links would connect coal fields in the Ib Valley, North Karanpura and Mand-Raigarh coal fields. These coal mines are in Orissa, Jharkhand and Chhattisgarh.