Rehar Babu is a village in Bhanpur tehsil in district of Basti, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Rehar Babu was 212 which includes 100 males and 112 females. Rehar Babu covers 416.17 ha area. Pincode of Rehar Babu is N/A.