The violators are to be prosecuted under the Air (Prevention and Control of Pollution) Act, 1981 and can land in jail
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ban-stubble-burning
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/telegraph-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-act-1981
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kolkata
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution