The Orissa government…moved Supreme Court challenging the Centre's decision to disallow bauxite mining in the Niyamgiri Hills for Vedanta's…alumina refinery... The state government's move came six months after Union environment minister Jairam Ramesh on August 24 last year withdrew the permission to Orissa Mining Corporation (OMC) to mine the eco-sensitive Niyamgiri Hills, home to the primitive Dongaria Kondh tribals...The state government moved SC seeking relief, like it has done in the Posco and Polavaram cases, an officer said.