_______is the largest earthen dam in India and second largest in Asia. The dam is named after the son of Mahabali. who was the king of Kerala.

Correct option is B

The correct answer is (b) Banasura Sagar Dam.
· Banasura Sagar Dam is the largest earthen dam in India and the second largest in Asia. It is located in the Wayanad district of Kerala and is named after Banasura, the son of Mahabali, a legendary king in Kerala's history.
Information Booster:
· Nagarjuna Sagar Dam:
· Located on the Krishna River in Telangana, it is one of the largest masonry dams in the world, but not an earthen dam.
· Mettur Dam:
· Located on the Cauvery River in Tamil Nadu, it is one of the largest dams in India, primarily serving irrigation purposes.
· Krishna Raja Sagar Dam:
· Located on the Cauvery River in Karnataka, it is a significant source of irrigation and drinking water but not an earthen dam.