The Sangam-era Tamil poetic work, Pattinappaalai, describes the Cauvery as an eternal river ... the inflow of water into the Cauvery and its tributaries upstream. An annual rainfall chart ...

According to officials from the Water Resources Organisation (WRO), the Noyyal River, a tributary of the Cauvery, originates in the Western Ghats in Coimbatore district. It flows through ...