The state government came up with noise rules based on the World Health Organisation’s (WHO) recommendations in 1989.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/maharashtras-noise-act-not-conformity-central-law
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution-control
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-interest-litigation-pil
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-court
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation