 The assimilation of the original Kirants of Limbuwan, the migrants from Tibet, the Mongols and the tribes from the Bihar area and finally the migrant people of Shan-Makwan gave birth to the new nation of Limbuwan, the nationality of Limbu and Limbu culture.The Kirat states was ruled by eight feudal Chiefs.The revolution of the Taisiyan people in Limbuwan

During the latter years of the rule of the eight Kiranti chiefs, the population of Limbuwan multiplied and families increased in number.