The correct answer is: B. Kaveri (Cauvery)
The Bhadra Dam is a masonry dam on the Kaveri River in the Chikmagalur district of Karnataka, India. It is the third largest dam in the state after the Krishnaraja Sagar Dam and the Mettur Dam. The dam was constructed between 1960 and 1974 for the purposes of irrigation, hydroelectric power generation, and flood control.
The Kaveri River is the longest river in the Indian state of Karnataka. It is also the third longest river in the Peninsular India after the Godavari and the Krishna rivers. The river originates in the Western Ghats near Talakaveri in Kodagu district of Karnataka and flows through the states of Karnataka, Tamil Nadu, and Kerala before joining the Bay of Bengal. The Kaveri river is a major source of water for irrigation, drinking water, and hydroelectric power generation in the states of Karnataka, Tamil Nadu, and Kerala.
The other options are incorrect because:
- Option A: The Bhadra River is a tributary of the Kaveri River.
- Option C: The Tungabhadra River is a tributary of the Krishna River.
- Option D: The Krishna River is a river in India that flows through the states of Maharashtra, Karnataka, Andhra Pradesh, Telangana, and Odisha.