Muchiasai is a village in Gobindpur tehsil in district of Saraikela Kharsawan, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Muchiasai was 155 which includes 79 males and 76 females. Muchiasai covers 49 ha area. Pincode of Muchiasai is 831002.