Which of the following statements are true?

1. The source of the Periyar river lies in the remote forests of the Periyar Tiger Reserve.

2. Mullaperiyar dam is situated at the confluence of Mullayar River and Periyar River.

3. The Periyar originates in Kerala, flows entirely through Kerala and joins the sea in the Kerala.

4. The dam is located in Kerala on the river Periyar, but is operated and maintained by Tamil Nadu state.

a. 1,2,3

b. 2,3,4

c. 1,3,4

d. All the above

ANSWER: All the above

Explanation:

Four dams - Mullaperiyar Dam, Parambikulam Dam, Thunakadavu Dam and Peruvaripallam Dam - are owned, operated and maintained by Tamil Nadu whereas they were situated in the territory of Kerala.