Coal India halts mining ops in Assam reserve | Read Why ...
Jun 10, 2020· The NEC has two existing open cast coal mining projects — one in Tirap Colliery in Arunachal Pradesh and the other in Tikok Colliery in Assam. NEC had a 30yearlease till 2003, to carry out operations in its Tikok project in the Saleki proposed reserve forest.