Kari Gahna is a village in Harraiya tehsil in district of Basti, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kari Gahna was 1,093 which includes 545 males and 548 females. Kari Gahna covers 44.95 ha area. Pincode of Kari Gahna is 272129.