Sherdukpen dancers during a meeting with J.P. Mills in Assam, performing a Sherdukpen version of Aji Lhamu, a romance widely known in the Tibetan Buddhist world, including the neighbouring Monpas : they are performing for J : P : Mills, Adviser to the Governor of Assam for Tribal Areas : Mills came to meet the Sherdukpen Sat Rajas 'Seven Kings', at their winter camp on the Belsiri River, east of Charduar, where they presented him with an honorary scarf : 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