Koyana
Explanation
The Kaveri (Cauvery) is a major river in Peninsular India, rising in the Brahmagiri hills of the Western Ghats in Karnataka. Its drainage basin covers parts of Karnataka, Kerala, and Tamil Nadu. The identification of tributaries is essential for distinguishing between major peninsular river systems such as the Kaveri and the Krishna.
Option Analysis
- Amravati Amravati: This is a major tributary of the Kaveri River. It joins the Kaveri in the Karur district of Tamil Nadu.
- Bhavani Bhavani: This is a significant right-bank tributary of the Kaveri River. It originates in the Nilgiri Hills and joins the Kaveri in Tamil Nadu.
- Hemavati Hemavati: This is an important left-bank tributary of the Kaveri River. It originates in the Western Ghats of Karnataka and joins the Kaveri near the Krishnarajasagara.
- Koyana Koyana: Incorrect as a Kaveri tributary. The Koyana River is a tributary of the Krishna River. It originates in Mahabaleshwar, Maharashtra, and is famous for the Koyna Dam. It meets the Krishna River at Karad.
Key Takeaway: The Koyana is a tributary of the Krishna River, whereas Amravati, Bhavani, and Hemavati are major tributaries of the Kaveri River.