Order of the National Green Tribunal in the matter of M.C. Mehta Vs. Union of India & Ors. dated 10/02/2017 regarding sewage treatment plants (STP) at Garh drain joining Ganga. NGT directs Chief Engineer of Uttar Pradesh Jal Nigam to show on the next date of hearingt (13 February 2017) what survey was conducted, data prepared in support of DPR and consequently for the STP.