Order of the National Green Tribunal in the matter of Subash Datta Vs State of West Bengal & Others dated 03/03/2021. Grievance in the application was against air pollution due to crop burning during winter season in Districts Burdwan, Birdhum, Hooghly, Howrah, Murshidabad and New Town Action Area II of Calcutta in West Bengal, resulting in air pollution in Calcutta.