The correct option is D Kaveri
Achutappa Nayak repaired the banks of the river Kaveri and improved agriculture. Achuthappa Nayak was the Thanjavur Nayak king who ruled from 1560 to 1614. He was co-monarch along with his father From 1560 to 1580. From 1580 to 1614, he ruled on his own. His reign is generally regarded as one of peace and stability.