The correct option is C Achutappa Nayak
Ragunatha Nayak was the son of Achutappa Nayak. 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. He ruled on his own from 1580 to 1614, His reign is generally regarded as one of peace and stability. Raghunatha Nayak was the third ruler of Thanjavur, southern India, from the Nayak dynasty. He ruled from 1600 to 1634.