Purani Changmai is a village in Amguri tehsil in district of Sivasagar, Assam, India. As per the data provided by Census of India in 2011, total population of Purani Changmai was 271 which includes 140 males and 131 females. Purani Changmai covers 224.8 ha area. Pincode of Purani Changmai is N/A.