A 100-meter area of all prominent religious places, including temples, mosques, gurudwaras and churches of Guwahati city and its suburbs, have been declared as a "silent zone"
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/guwahati-silent-zone-rules-imposed-around-religious-places
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/assam
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/guwahati
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/religious-places
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-act-1986
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment