The 90 decibel limit for firecrackers will remain in force in Bengal.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/breathe-easy-90db-noise-limit-remains-bengal
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kolkata
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/durga-puja
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-court
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment