Order of the National Green Tribunal in the matter of Ashok Kumar Patjoshi Vs Ministry of Environment, Forest & Climate Change & Others dated 11/07/2019 regarding scientific disposal of Spent Pot Lining (SPL) which is produced by the smelting plants operated by the aluminum industries which contains high level of Cyanide and Fluoride which are carcinogenic and needs to be scientifically utilized/detoxified.