Gosainpur Mal is a village in Dumri Katsari tehsil in district of Sheohar, Bihar, India. As per the data provided by Census of India in 2011, total population of Gosainpur Mal was 358 which includes 188 males and 170 females. Gosainpur Mal covers 60.2 ha area. Pincode of Gosainpur Mal is 843329.