RAIPUR: Chhattisgarh Environment Conservation Board Envis Centre celebrated World Environment Day at Circuit house,Civil line,Raipur.This year WED theme was " ZERO TOLERANCE FOR THE ILLEGAL WILDLIFE TRADE" According to this theme State level poster competition has been organised.Competition and prize are divided into four age level groups.This programme Chief guest was Hon. Minister Shri Rajesh Munat,Minister Housing & Environment Chhatisgarh Government, Shri Aman Kumar Singh, Chairman, Chhattisgarh Environment Conservation Board & Shri Devendra Singh,Member Secretary,Chhattisgarh Environment Conservation Board.