Kasaila Bela is a village in Madhuban tehsil in district of Mau, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kasaila Bela was 4,666 which includes 2,187 males and 2,479 females. Kasaila Bela covers 325.33 ha area. Pincode of Kasaila Bela is 275306.