The Minister for Forests & Ecology Lal Singh today said the emission level of vehicles and the Industrial Units is constantly monitored by the Pollution Control Board (PCB) and necessary action under rules is taken against the vehicle owners and Industrial Unit Holders, if anyone violates the rules. The Minister was replying to a question raised by Mr. Surinder Ambardar, in the Legislative Council. He said being the nodal agency the PCB monitors air pollution and the government is taking steps to curb the air pollution.He said pollution control devices are installed in the Industrial Units which reduce pollution. He further added that functioning and efficiency of these devices is being monitored by the board and necessary action under rules is taken against the owners which violate the pollution control norms.Lal Singh said that in addition to above Motor Vehicles Department takes action under Motor Vehicles Act against the vehicle owners who violate the pollution control norms.He said that the Board conducts awareness programmes about the hazards of pollution and its control as a part of its routine activities.