Order of the National Green Tribunal in the matter of Vinay Shivanand Nayak Vs. State of Karnataka & Others dated 26/09/2018. The principal question requiring determination in this case is as to whether the State of Karnataka should be permitted to continue with the use of BS-II and III compliant public transport vehicles and also the incidental question as to whether permission should be grant for purchase of 1000 number of BS-IV compliant public transport vehicles as prayed for on behalf of the State Transport Corporation.