Lakhnu Bigha is a village in Asthawan tehsil in district of Nalanda, Bihar, India. As per the data provided by Census of India in 2011, total population of Lakhnu Bigha was 2,324 which includes 1,213 males and 1,111 females. Lakhnu Bigha covers 180 ha area. Pincode of Lakhnu Bigha is 811103.