The Murongs Tribal women carring her child on her nack. Murongs are one of the famous tribes of aborigines of Arakan and two MurongsKings ruled Arakan in the tenth Century AD . Murongs live in Lama , Ruma , Alikadam , and Thanchi upzilas as near Chimbuk mountain of bandarban District . Muroungs population in Bangladesh About 90 , 000 ( ninty thousand ) and constituted the fourth largest tribe in the Chittagong hill tracts of Bangladesh . Murongs are patriarchal . Sons inherit the property . They have different clans and many sub clans .