Nandnawan is a village in Ramgarh Chowk tehsil in district of Lakhisarai, Bihar, India. As per the data provided by Census of India in 2011, total population of Nandnawan was 8,415 which includes 4,354 males and 4,061 females. Nandnawan covers 1161 ha area. Pincode of Nandnawan is 811311.