In Assam the Ahom kings had which class of people bound to military service in return for land?

1. Tribal chiefs became zamindars and kings. 2. Ahom paiks rendered military service for land. 3. Elephant capture was a royal monopoly. _Source: syllabus Themes in Indian History Part II, Theme 8, Peasants, Zamindars and the State: Agrarian Society and the Mughal Empire._