Babhnauli is a village in Mainatanr tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Babhnauli was 1,186 which includes 611 males and 575 females. Babhnauli covers 156.2 ha area. Pincode of Babhnauli is N/A.