Sherdukpen dancers during a meeting with J.P. Mills in Assam : Three Sherdukpen dancers perform in the foreground, as the musicians sitting on the right play drums These dancers are performing a Sherdukpen version of Aji Lhamu, a romance widely known in the Tibetan Buddhist world, including the neighbouring Monpas Each year Sherdukpens (and other Arunachal tribes) came to Charduar, in Assam, to receive annual payments from the government Charduar was the headquarters of the Balipara Frontier Tract, which included most of the eastern districts of present-day Arunachal Pradesh, where Sherdukpens (Akas, Mijis, Monpas and Buguns) live Charduar ('Four-Door/Gate') was one of several duars along the base of the eastern Himalayas where hill tribes came to transact business with the rulers of the plains Many tribes received an annual payment (posa) in goods and/or cash in return for not raiding villages in the plains For some tribes, these payments continued for several years even after 1947 The Sat Rajas wear ceremonial clothes and hats influenced by eastern Bhutanese and Tibetan traditions