The correct answer is a) Chalakudy River.
The Chalakudy River is a river in Kerala, India. It originates in the Anamalai Hills and flows through the districts of Palakkad, Thrissur, and Ernakulam. The river is a major tributary of the Bharathappuzha River.
The Chalakudy River is a popular tourist destination. The river is home to a number of waterfalls, including the Athirappilly Falls, the Vazhachal Falls, and the Thodupuzha Falls. The river is also a popular spot for fishing and boating.
The Chalakudy River is an important source of water for irrigation and drinking water. The river is also a major source of hydroelectric power.
The Chalakudy River is a beautiful and important river. It is a popular tourist destination and an important source of water for irrigation, drinking water, and hydroelectric power.
The other options are incorrect because they do not originate in the Anamalai Hills.
Option b) Bharathappuzha River originates in the Western Ghats.
Option c) Pampa River originates in the Brahmagiri Hills.
Option d) Periyar River originates in the Western Ghats.