The Ikshavakus rose in the Krishna-Guntur region on the ruins of Satvahanas. The Ikshavakus were a local tribe. They started the practice of land grants in the Krishna-Guntur region. They also built many monuments.
The famous Chola king Karikala of the Sangam age is credited with constructing a dam on the Kaveri river. It is considered to be the earliest dam in the country.