Nayasai is a village in Kharsawan tehsil in district of Saraikela Kharsawan, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Nayasai was 300 which includes 149 males and 151 females. Nayasai covers 28 ha area. Pincode of Nayasai is 833220.