The organization is socially active and best known for its movement against dams in Arunachal Pradesh's Dibang basin.
The organization is headed by President and General Secretary and a 15-member advisory board led by Chief Adviser.
According to Malo Linggi, President of the union, "AIMSU will work for upliftment of Idu Mishmi people.
The deprivation of Idu youths in employment on matters of appointment in various government departments in Itanagar, Roing and Anini will be a major issue to be taken up by AIMSU.
Carrying out campaign against large dams in Dibang basin, which is harmful to the interest of Idu Mishmmi community.