Duliajan No 1 is a village in Tengakhat tehsil in district of Dibrugarh, Assam, India. As per the data provided by Census of India in 2011, total population of Duliajan No 1 was 612 which includes 331 males and 281 females. Duliajan No 1 covers 44.77 ha area. Pincode of Duliajan No 1 is 786602.