(4) Betwa Explanation: The Betwa is a river in Northern India, and a tributary of the Yamuna. Also known as the Vetravati, the Betwa rises in the Vindhya Range just north of Hoshangabad in Madhya Pradesh and flows north-east through Madhya Pradesh and flow through Orchha to Uttar Pradesh. Nearly one-half of its course, which is not navigable, runs over the Malwa Plateau before it breaks into the upland. A tributary of the Yamuna River, the confluence of the Betwa and the Yamuna Rivers takes place in the Hamirpur town in Uttar Pradesh, in the vicinity of Orchha.