Semra is a village in Nawagarh tehsil in district of Janjgir Champa, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Semra was 4,219 which includes 2,146 males and 2,073 females. Semra covers 932.44 ha area. Pincode of Semra is 494001.