विश्व पर्यावरण दिवस के अवसर पर "पर्यावरण संरक्षण जागरूकता रैली" कार्यक्रम का किया गया आयोजन:- Information & Public Relations Department, Government of Bihar Social Welfare Department, Government of Bihar Energy Department, Bihar Katihar Police SC&ST Welfare Dept. of Bihar Cabinet Secretariat Department, Govt. of Bihar