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.
Over many generations, this group was renowned for their trading skills. Historical evidence shows that they had commercial ties with Tibet and the Chutiya kingdom. Various artifacts including swords, bronze plates, ear rings, bangles, gongs, and others bearing Chinese and Tibetan inscriptions have been discovered.