For production of 3 million tonnes per annum of iron ore and 0.24 million tonnes per annum of manganese ore for its KoIha-Roida Iron and manganese mines

Orissa Minerals Development Company (OMDC) has locked upper circuit of 20% at Rs 36,377 on getting environment clearance from Ministry of Environment and Forest (MoEF) for its KoIha-Roida iron and manganese mines.