Conical loudspeakers, which give out high-decibel sound, were used at a religious event held in Shantinagar a few days ago
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/banned-sc-loudspeakers-still-spring-city-rob-citizens-peace
[2] http://admin.indiaenvironmentportal.org.in/category/author/christin-mathew-philip
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-bangalore
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangalore-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/religious-beliefs
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-health
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment