Gandhraen Barhmotar is a village in Andhratharhi tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Gandhraen Barhmotar was 426 which includes 223 males and 203 females. Gandhraen Barhmotar covers 35 ha area. Pincode of Gandhraen Barhmotar is 847411.