Which one of the following east-flowing rivers of India has a rift valley due to down-warping?

1. Damodar
2. Mahanadi
3. Sone
4. Yamuna

Explanation

Option (a) is correct

• The Damodar River flows through the Chota Nagpur Plateau in a distinct rift valley. Unlike the west-flowing Narmada River and Tapi River, the Damodar is an east-flowing river. It flows through a structural trough formed by crustal subsidence during the Gondwana period.

Answer: (a) Damodar