Explanation:

- Ken-Betwa Link

- This is the first and most advanced river linking project in India.

- It aims to transfer surplus water from the Ken River to the Betwa River.

- The project will provide drinking water, irrigation, and generate hydroelectricity.

- Correct Answer

- Kosi-Mechi Link

- This project is planned to transfer the surplus of Kosi river to Mechi, a tributary of Mahananda in Bihar.

- Damanganga-Pinjal

- This project plans to divert water from the Damanganga basin to the Pinjal reservoir.

- Par-Tapi-Narmada

- This link is designed to transfer water from the Par, Tapi, and Narmada rivers to drought-prone areas.