Kasya Khurd 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 Kasya Khurd was 264 which includes 136 males and 128 females. Kasya Khurd covers 68.16 ha area. Pincode of Kasya Khurd is N/A.