Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Ors. dated 04/12/2014 regarding growing air pollution of Delhi.
A team of CPCB, DPCC, a Scientist from MoEF, a Scientist from State Boards of State of Rajasthan, State of Haryana and State of Uttar Pradesh to take ambient air quality samples from the entire NCR Delhi at different intervals and times. The samples would be taken during the peak hours as well as non-peak hours. The sample shall definitely be collected in the early morning hours and late evening hours.