Threat to environment, traffic snarls and exposing political leaders to possible attacks from terrorists cited as reasons
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/plea-supreme-court-ban-poll-road-shows
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/telegraph-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/motor-vehicle-act-1988
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/political-parties
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment