Karahi Kalan is a village in Basantpur tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Karahi Kalan was 2,295 which includes 1,185 males and 1,110 females. Karahi Kalan covers 158.29 ha area. Pincode of Karahi Kalan is 841406.