Mandakini Nandakini and Pindar rivers are the tributaries of which river ........

Explanation:

Alaknanda River:-

• It is one of the headstreams of the Ganga.
• It rises at the confluence and feet of the Satopanth and Bhagirath glaciers in Uttarakhand.
• It meets the Bhagirathi River at Devprayag after which it is called the Ganga.
• Its main tributaries are the Mandakini, Nandakini, and Pindar rivers.
• The Alaknanda system drains parts of Chamoli, Tehri, and Pauri districts.
• The Hindu pilgrimage center of Badrinath and the natural spring Tapt Kund lie along the banks of the Alaknanda River.