Karamtar Ganga is a village in Barhaj tehsil in district of Deoria, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Karamtar Ganga was 1,127 which includes 499 males and 628 females. Karamtar Ganga covers 124.56 ha area. Pincode of Karamtar Ganga is 274182.