He was making big bucks as a firecracker vendor. But a tragic incident in the early 1980s in which people lost lives after a cracker shop caught fire turned him against his own livelihood.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/%E2%80%98noiseless-diwali-not-possible-let%E2%80%99s-reduce-pollution%E2%80%99
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-nagpur
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagpur-t
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/noise-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diwali
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporations
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment