Bhag Barsoi is a village in Barsoi tehsil in district of Katihar, Bihar, India. As per the data provided by Census of India in 2011, total population of Bhag Barsoi was 997 which includes 538 males and 459 females. Bhag Barsoi covers 78 ha area. Pincode of Bhag Barsoi is 855102.