Berasai is a village in Sonua tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Berasai was 344 which includes 164 males and 180 females. Berasai covers 108.91 ha area. Pincode of Berasai is 833102.