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Taking a significant step forward to deal with pollution by monitoring effluents and emissions from polluting industries, the Central Pollution Control Board (CPCB) has started getting round the clock online datareport on status of compliance from 1,320 out of 2,800 such industrial units from across the country. While 920 of these 1,320 units have set up real-time sensor-based sophisticated monitoring devices, another 400 units have moved towards 'Zero Liquid Discharge' (ZLD) system where they treat the entire water and re-use it. Such units will not discharge a drop of waste water into drains or rivers. The remaining industries will come on board by September. Though there was a deadline of June 30 for all industries to install sensor-based monitoring devices at their ends, certain industries like petro-chemicals, oil refineries and power plants will get it done during their phase-wise scheduled shut-down period in next three months.