Which of the following river was known to be a tributary of the lost river Saraswati, but changed its course?

a. Beas

b. Ravi

c. Chenab

d. Sutlej

ANSWER: Sutlej

Explanation:

- The Sutlej River is the longest of the five rivers that flow through the historic crossroads region of Punjab in northern India and Pakistan

- It is located north of the Vindhya Range, south of the Hindu Kush segment of the Himalayas, and east of the Central Sulaiman Range in Pakistan.

- The Sutlej River is also known as Satadree.