Q. ‘Charmanvati’ is the ancient name of which of following River?

[A] Saraswati River

[B] Sabarmati River

[C] Kaveri River

[D] Chambal River

Answer: D
Notes:

 The Chambal River, called Charmanvati in ancient times, is the largest of the rivers flowing through and Rajasthan State.  

This is a major tributary of Yamuna which is 960 km long. Located in Central India, the river comprises a significant portion of the Greater Gangetic Drainage System. 

Source: The Hindu