Bara Mahgama is a village in Pathna tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Bara Mahgama was 801 which includes 418 males and 383 females. Bara Mahgama covers 147.4 ha area. Pincode of Bara Mahgama is 816119.