Order of the National Green Tribunal in the matter of Vikrant Kumar Tongad Vs. Environment Pollution (Prevention Control) Authority & Others dated 03/05/2017 regarding air pollution caused due to crop residue burning. Joint Director, Agriculture shall submit an affidavit on the number of Happy Seeders (Happy Seeder is a tractor-mounted machine that cuts and lifts rice straw, sows wheat into the bare soil, and deposits the straw over the sown area as mulch.) purchased.