Which of the following ancient Kerala rivers is frequently cited in Sangam literature as being synonymous with the prosperous port settlement of Thondi?

💡 Solution & Explanation

Sangam literature frequently references the Peruvannam river in connection with the ancient Chera port settlement of Thondi on the western seaboard. Major rivers like the Periyar and Pamba drain separate geographical tracts associated with other historical ports. Ancient Tamilakam trade routes are important topics in South Indian history.