Village Mahuar Kalna of Robertsganj, Sonbhadra comes under state UTTAR PRADESH. This is situated 14 kms far from city SONBHADRA. Total Population of Village is 118 and household count is 19. For Education Village has facility of Govt Primary, Govt Middle, Govt Secondary, school.For higher education village also has .Village also has nearby education facility of .For health care village also has .Nearest water sources are Hand Pump. Waste water flows by open Drainage, no Drainage on the streets.