Paithan Kawai is a village in Manigachhi tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Paithan Kawai was 11,038 which includes 5,850 males and 5,188 females. Paithan Kawai covers 499 ha area. Pincode of Paithan Kawai is 847239.