

The National Green Tribunal (NGT) has directed the Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs) of Uttar Pradesh, Haryana, Bihar, and Delhi to ensure that all Grossly Polluting Industries (GPIs) dumping their waste in the Ganga and Yamuna rivers and other water bodies immediately install Online Continuous Effluent Monitoring Systems (OCEMS).