Post Diwali, city roads are littered with the remnants of fireworks.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/firecracker-waste-layers-roads-chokes-ludhiana
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-ludhiana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diwali
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ludhiana-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solid-waste
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/garbage