Bamankheta is a village in Saraiyahat tehsil in district of Dumka, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Bamankheta was 1,561 which includes 837 males and 724 females. Bamankheta covers 179.36 ha area. Pincode of Bamankheta is 814151.