This manuscript is about the story of Lengdon before sending Khun Lung Khun Lai to earth. This is the same as Chapter 1 of the published Ahom Buranji. Lak Ni Kham Mvng Nap Pau, correponds to 1770-71.
This is a fortune telling manuscript. There are images of pairs of chicken legs with thin bamboo sticks attached to them. And depending on these images, the placement of the bamboo sticks, fortune telling and procastination of any kind of good or bad happenings are done.