Kasaila Babu is a village in Harraiya tehsil in district of Basti, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kasaila Babu was 399 which includes 187 males and 212 females. Kasaila Babu covers 88.34 ha area. Pincode of Kasaila Babu is N/A.