The correct answer is c) Periyar River.
The Mullaperiyar Dam is a masonry dam on the Periyar River in the Indian state of Kerala. The dam was built in 1895 by the British and is one of the oldest dams in India. The dam is located in the Idukki district of Kerala and is about 120 km from the state capital, Thiruvananthapuram. The dam is used for irrigation, drinking water supply, and hydroelectric power generation.
The Chalakudy River is a river in the Indian state of Kerala. The river originates in the Western Ghats and flows through the districts of Thrissur, Palakkad, and Malappuram. The river meets the Arabian Sea at Chalakudi. The Chalakudy River is a major source of irrigation and drinking water for the people of Kerala.
The Bharathappuzha River is a river in the Indian state of Kerala. The river originates in the Western Ghats and flows through the districts of Palakkad, Thrissur, and Malappuram. The river meets the Arabian Sea at Beypore. The Bharathappuzha River is the longest river in Kerala. It is a major source of irrigation and drinking water for the people of Kerala.
The Pamba River is a river in the Indian state of Kerala. The river originates in the Western Ghats and flows through the districts of Pathanamthitta, Alappuzha, and Kottayam. The river meets the Arabian Sea at Adoor. The Pamba River is a major source of irrigation and drinking water for the people of Kerala.