Karwa Balram is a village in Sonbhadra Banshi Suryapur tehsil in district of Arwal, Bihar, India. As per the data provided by Census of India in 2011, total population of Karwa Balram was 1,240 which includes 643 males and 597 females. Karwa Balram covers 125 ha area. Pincode of Karwa Balram is 804419.