it, only 80% of the ore produced is usable. The balance is a waste product, which is basically low quality ore that is stored in reservoirs. If a company requires, it is sometime used in steel making.
Tuhin Mukherjee, Essel Mining MD, said, “We have not seen the report and it will be very difficult to make any comment. But we have not violated any norms; we have taken permission from the state government and paid royalty every year.”
At present, miners pay a royalty of 10% on ad valorem basis to the state government. Prior to 2009, the miners paid royalty on tonnage basis.