New Delhi,   Delhi's Environment Minister Imran Hussain on Monday urged people not to set off crackers on Diwali in view of the worsening air quality in the capital.

 
 Launching a campaign "Say No to Fire Crackers" at a school here, Hussain asked children not to burst fire-crackers.
 
 He expressed confidence that the campaign will bear results and Delhiites will respond positively.