Duikasai is a village in Chakradharpur tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Duikasai was 374 which includes 185 males and 189 females. Duikasai covers 146 ha area. Pincode of Duikasai is 833102.