Karmahva Basantpur is a village in Nautanwa tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Karmahva Basantpur was 1,060 which includes 543 males and 517 females. Karmahva Basantpur covers 135.87 ha area. Pincode of Karmahva Basantpur is 273164.