1.The Aryan have a big influence towards the Indus Valley People, which is the Dravidian. Before the Aryan came, the Dravidian has a very sophisticated technology that can be seen from the Mohenjo-Daro city which has sanitation system, etc. But, when the Aryan came with army they conquered the Indus Valley, and drove away the Dravidian. And the Aryan became the ruler of the Indus valley
