Tiwa tribe is located in which state?

Tiwa tribe is located in Assam. Cashless transactions may be the latest buzzword in the country's economic arena,but in a small hamlet about 32 km from Guwahati,members of Assam's Tiwa tribe meet every year to carry out an unique trade fair where the dealings are totally cashless. Popularly known as the Junbeel Mela the fair is held beside a large natural water body shaped like a crescent moon.