About 125 years ago doctor Thiru. A. Kesavakon had been doing Tamil Medicine of Siddha medical service during the period of king. He had dedicated his life to siddha that is while he was called " RAJAVAITHIYER ". After his death his son Thiru. K.Malaiappakon had been doing full time siddha medical service to poor people. He followed his father s method of service which inscribed in palm leaf, that is kattu, kalangu and others. Moreover, he had treated UN curable diseases with very rare medicine. Which are unknowns to others.