Badshah Nagar is a village in Banma Itahri tehsil in district of Saharsa, Bihar, India. As per the data provided by Census of India in 2011, total population of Badshah Nagar was 1,767 which includes 919 males and 848 females. Badshah Nagar covers 106.9 ha area. Pincode of Badshah Nagar is 852126.