Lakhni Bigha is a village in Dinapur Cum Khagaul tehsil in district of Patna, Bihar, India. As per the data provided by Census of India in 2011, total population of Lakhni Bigha was 4,985 which includes 2,594 males and 2,391 females. Lakhni Bigha covers 193 ha area. Pincode of Lakhni Bigha is 801105.