By 8000 B.C., Andites migrated into the valley of the Indus, leading to the emergence of a new class of traders and a shift in Andite civilization. [1] The Indus delta reflects the diverse blend of Urantia races in ancient India over the last 50,000 years. [2] Dravidian centers along the rivers Indus and Ganges shaped ancient cultural exchange and trade with Sumeria. [3]