Bhavani is the tributary of the river:

Correct option is C

Correct Answer: (c) Cauvery
Explanation:
→ Bhavani River originates in the Western Ghats and joins the Cauvery near Bhavani town (Tamil Nadu).
→ It is an important tributary contributing to irrigation and hydropower.
Information Booster:
→ Bhavanisagar Dam on this river is one of the largest earthen dams in India.
Additional Information:
(a), (b), (d): Not related to Bhavani’s basin.