 The conflict between the Chutias and Ahoms started when Suhungmung annexed the Chutia principalities of Habung and Panbari in 1512 AD.The then Chutia king Dhirnarayan decided to attack the Ahom kingdom to prevent any further expansion.So, the following year Dhirnarayan, along with an army, sailed down the Dihing river and built a stockade of banana trees ("Posola-garh") on the bank of the Dikhowmukh.