Order of the National Green Tribunal (Principal Bench, New Delhi) in the matter of Ashwani Kumar Dubey Vs. Union of India & Ors. dated 24/04/2014 regarding pollution caused by coal mining, thermal plants, cement plants, aluminium or explosive plants and stone crushers located in the bordering Districts of Singrauli, Madhya Pradesh and Sonbhadra. NGT in the order has stated "that leave to operate granted to Respondent No. 14 (M/s.