Khairahikalna is a village in Robertsganj tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Khairahikalna was 177 which includes 84 males and 93 females. Khairahikalna covers 33.45 ha area. Pincode of Khairahikalna is 231216.