Parambikulam River, one of four tributaries of the Chalakkudi River, originates in the Coimbatore district of Tamil Nadu, India.
The Parambikulam Dam has been constructed across the river at Anamalai, located in the Western Ghats of Kerala. This dam ranks number one in India as well as in the top ten dams in the world for volume capacity.
References
Parambikulam River Wikipedia(Text) CC BY-SA