Explanation:

First option is correct.

The Bhavani river is the second longest river in Tamil Nadu and a major tributary of the Kaveri River. The other tributaries of Kaveri are Kabini, Amravati and Lakshmana rivers.

Kaveri, is an Indian river flowing through the states of Karnataka and Tamilnadu. It is the fourth largest after Godavari and Mahanadi River in south India and the largest in Tamil Nadu which on its course, bisects the state into North and South.