Bagathri Kalna 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 Bagathri Kalna was 490 which includes 254 males and 236 females. Bagathri Kalna covers 31.21 ha area. Pincode of Bagathri Kalna is N/A.