There were a demon couple named Chuncha and Chunchi who
lived on the banks of river Kaveri near Krishna Raj Nagar. They
had converted themselves into a pious couple after the teachings
of Shri Ram. Shri Ram had also protected the rishis from them.
Valmiki Ramayana full chapter onwards 6/4/9 Manas 5/34/2 to
5/34 chhand 2.
