Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 11/11/2017 regarding deteriorating air quality in NCT Delhi.

Principal Bench of the National Green Tribunal in its Order clearly stated that "as and when the PM10 and PM2.5 crosses values of 500 µg/m3 and 300 µg/m3 respectively, it shall be mandatory for NCT Delhi and all its Government Departments to implement odd and even without default and it shall not be optional for any officer of the Government or institutions to avoid these directions and noncompliance of notification". There shall be no exemption to any person, officer and individual and the two wheelers from the ambit and scope of odd and even scheme. Also a Committee will be constituted which will collect the data of ambient air quality which shall be tested at least for 8 parameters including PM10, PM2.5, Carbon Monoxide, Ozone, Ammonia, SO2, NO2 and Lead. A due compilation of at least two samples a day during the peak hours shall be maintained by this Committee continuously for a period of 10 days. All these samples shall be analyzed at the laboratory of the Central Pollution Control Board and IIT Delhi.