Assam CM Himanta Biswa Sarma Drives Road Roller Over Rs. 163 Cr Drugs During ‘Drugs-free’ Campaign In Nagaon Assam CM Himanta Biswa Sarma Drives Road Roller Over Rs. 163 Cr Drugs During ‘Drugs-free’ Campaign In Nagaon Assam CM Himanta Biswa Sarma Drives Road Roller Over Rs. 163 Cr Drugs During ‘Drugs-free’ Campaign In Nagaon