While you could be booked for bursting crackers in a silence zone, you could zip through the same area with your vehicle roaring at 90 decibel.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/noisy-vehicles-don%E2%80%99t-violate-rules
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicles
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/automobiles
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution-under-control-certification
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/motor-vehicles-rules-1989
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport