Issuing a notification to ban stubble burning seems to be a paper exercise for the Punjab Pollution Control Board (PPCB) and Department of Science, Technology and Environment in the state.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/stubble-burning-ban-no-case-17-months-3-districts
[2] http://admin.indiaenvironmentportal.org.in/category/author/balwant-garg
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-monoxide
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nitrogen-dioxide
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-act-1981
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects