Sewaiya Kalan is a village in Pithora tehsil in district of Mahasamund, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Sewaiya Kalan was 723 which includes 379 males and 344 females. Sewaiya Kalan covers 283.42 ha area. Pincode of Sewaiya Kalan is 491995.