In 1562 Naranarayan encamped at Chandikabehar, Mangaldai, he demarcated the region north of the road as where the Koch and the Mech people were to follow their tribal customs, and region south where Brahminic rites were to be followed.[4]
^"Taking advantage of [the collapse of Koch Hajo], the Bhutias pushed their southern boundary towards the plains and occupied the land up to the Gohain Kamal Ali." (Das 1998:13)
^"During the period of political uncertainty caused by the Ahom-Mughal conflict in the middle of the seventeenth century, the Bhutias had taken possession of the whole of the fertile plain south of their hills as far as the Gohain Kamal Ali." (Das 1998:59)