Sewai is a village in Janjgir tehsil in district of Janjgir Champa, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Sewai was 1,047 which includes 532 males and 515 females. Sewai covers 339.01 ha area. Pincode of Sewai is 495668.