The correct answer is c) Bharathappuzha.
The Malampuzha Dam is a masonry dam on the Bharathappuzha River in Palakkad district, Kerala, India. It was constructed in 1948 and is the largest dam in Kerala. The dam is used for irrigation, drinking water supply, and hydroelectric power generation.
The Bharathappuzha River is the longest river in Kerala. It originates in the Western Ghats and flows through the districts of Palakkad, Malappuram, and Thrissur before joining the Arabian Sea at Chaliyar. The river is a major source of water for irrigation and drinking water supply in Kerala.
The Periyar River is the second longest river in Kerala. It originates in the Western Ghats and flows through the districts of Idukki, Ernakulam, Thrissur, and Palakkad before joining the Arabian Sea at Aluva. The river is a major source of water for irrigation and drinking water supply in Kerala.
The Chalakudy River is a tributary of the Bharathappuzha River. It originates in the Western Ghats and flows through the districts of Palakkad and Thrissur before joining the Bharathappuzha River at Malampuzha. The river is a major source of water for irrigation and drinking water supply in Kerala.
The Pamba River is a tributary of the Achankovil River. It originates in the Western Ghats and flows through the districts of Pathanamthitta, Kottayam, and Idukki before joining the Achankovil River at Adoor. The river is a major source of water for irrigation and drinking water supply in Kerala.