Principal Bench of National Green Tribunal has issued directions to a joint committee of Central Pollution Control Board (CPCB) and Gujarat Pollution Control Board (GPCB), to improve conditions of polluted river Daman Ganga and drain Bill Khadi in Valsad district, in Gujarat on account of discharge of effluents by industries and Common Effluent Treatment Plant (CETP), operated by M/s Vapi...