Question: Kadava was the name of a Tamil ruling dynasty who ruled parts of the Tamil country during the thirteenth and the fourteenth century, it was at the height of their power briefly during the reigns of Kopperunchinga I and Kopperunchinga II, the two rulers were powerful enough to challenge the waning Chola dynasty, was one of the longest-ruling dynasties in the history of the southern region, of which country?
Sentence (from "Kopperunchinga II"): He has left numerous inscriptions mainly in the South Arcot and Chingleput districts and the northern portion of Thanjavur, and a few have also been found in the North Arcot and Chittoor districts.
Relevant evidence: No