Nandwara is a village in Bairgania tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Nandwara was 10,916 which includes 5,836 males and 5,080 females. Nandwara covers 232 ha area. Pincode of Nandwara is 843313.