There are practically no records relating to the earlier history of this area except some oral literature and the number of historical ruins found mainly in the foot hills dating approximately from the early Christian Era. 

In 1826 the British exercised their control in Assam after the treaty of Yandaboo concluded on 24th February 1826. Before 1962 the Arunachal was popularly called North Eastern Frontier Agency and was constitutionally a part of Assam. It was administered by the Ministry of External Affairs until 1965 and subsequently by the Ministry of Home Affairs through the Governor of Assam. In 1972, it was constituted as a Union Territory and renamed Arunachal Pradesh. On 20th February in 1987, it became the 24th state of the Indian Union.  

Arunachal Pradesh was inhabited by people of tribal origin. These groups had distinct culture. In the 16th century the Ahom Kings influenced the region. The population were of Tibeto-Burmese linguistic origin. The tribe consisted of the Daflas, Bangnis, the Monpas and they were influenced by Buddhist ideals. The Miri along with the Daflas and Tagin lived in the hills. The Apatanis were believed to be more advanced. They were agriculturists. Besides this the Abor who called themselves as Adi lived in the valley of Arunachal Pradesh. Besides them the Membas, Ramos and Boris formed minor groups. The Mishmis exists as Idus, Taraons, and Kamans. They excelled in handicrafts. Today tourism forms an important source of revenue for the state economy.

People


It has the thinnest population density in the country of 13 persons per Sq.Kms. The total population is 10.96 lakh (2001 Census). The indigenous people of Arunachal Pradesh are tribes with rich and glorious heritage4 of arts and crafts. The state has 26 major tribes and a number of sub-tribes having their own ethos, dialects and cultural identities. Each tribe has its own enchanting folk songs and colourful traditional dances, which present a unique scenario of unity in diversity. Their colourful festivals are manifestation ot their faiths and beliefs. Though the people1 speak their own dialect, Hindi and Assamese are also widely spoken and used in communication with non-Ani nacha lees. The literacy rate is 54.74% and English is the4 official language.