Since ancient times this tribe were good merchants. There is historical proof of this tribe having trade links with Tibet and the Chutiya kingdom. There are many swords, bronze plates, ear rings, bangles, gongs and similar things with Chinese and Tibetan inscriptions.
For millennia, this tribe excelled in commerce. Historical documentation attests to their trade connections with Tibet and the Chutiya kingdom. Numerous items such as swords, bronze plaques, earrings, bangles, gongs, and those inscribed by Chinese and Tibetan people are prevalent.