Reti Kalan 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 Reti Kalan was 205 which includes 115 males and 90 females. Reti Kalan covers 33.42 ha area. Pincode of Reti Kalan is N/A.