Assam Proper
Assam Proper (Khilonjia Bhumi) is a region in Assam, India,[1][2] that is constituted by the five colonial districts that were originally in the Ahom kingdom. The districts were: Undivided Kamrup district, Darrang, Nagaon, Lakhimpur and Sibsagar. This region is homeland of pure Khilonjia Asomiya ethnic people.