No 1 Belsiri Bagan is a village in Dhekiajuli tehsil in district of Sonitpur, Assam, India. As per the data provided by Census of India in 2011, total population of No 1 Belsiri Bagan was 363 which includes 160 males and 203 females. No 1 Belsiri Bagan covers 304.04 ha area. Pincode of No 1 Belsiri Bagan is N/A.