Images from NASA, over the last one week, have suggested an increase in the number of fires in Delhi-NCR area, showing that the crops are constantly being burnt in the region, mainly in Haryana
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-pollution-delhi-set-worsen-nasa-images-show-huge-rise-crop-burning-region
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crops
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nasa
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-green-trbunal-ngt
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryanam
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists