Bankat Mafi is a village in Kesaria tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bankat Mafi was 944 which includes 502 males and 442 females. Bankat Mafi covers 70.4 ha area. Pincode of Bankat Mafi is 845424.