Arunachal Pradesh is situated in the North Eastern Part of India having geographical boundary of 84,000 sq. km approximately, and has a long international boundary with Tibet and China in the north, Bhutan in the west and Myanmar in the east. Un-divided Subansiri (Kurung Kumey, Kra Dadi, Upper Subansiri, Lower Subansiri and Kamle distrcits) is a larger region of the state from where the local people would go for trade to the Tibet. Trade is referred as the process of buying and selling of commodities. It involves the transfer of goods and services from one person to another. It is considered as one of the main economic activity of development for any region. The earliest form of trade considered by the scholars is barter, which involves the direct exchange of goods and services. The people of these regions of un-divided Subansiri of Arunachal Pradesh are known to have maintained the barter trade relation with the Tibetan counterpart across the border since time immemorial. Barter trade is not only considered to be a vital factor for socio-economic development of the people of these regions, but also an important factor for the socio-cultural development of them. It has tremendous impacts on overriding economic and social factors in these regions.