Oct 01, 2015 MOIL Ltd to assign removal of waste rock MOIL Ltd is a state-owned manganese-ore mining company based in Nagpur, Maharashtra. The company is looking for contractors to undertake the task of removal of waste rock and magniferous rock and handling the same by mechanised means at 208 feet level of opencast at Chikla mine located in Bhandara district of Maharashtra state. The contract is estimated to cost Rs 1.24 crore.