Question raised in Lok Sabha on Monitoring of Polluting Industries, 19/07/2016. Central Pollution Control Board (CPCB) has directed the 17 category of highly polluting industries to install system for online monitoring of emission / effluent quality. Out of total 3387 industrial units, 2736 units were identified for installing online monitoring system. 1783 industrial units have installed online monitoring system as on 1st July, 2016 and 625 units are in the process of installation while the remaining have been issued closure directions. The State-wise number of industries which have installed online monitoring devices is annexed.