Ayurveda is one of the indigenous medicinal systems of India.It describes the theories for longevity and remedies for various diseases. Carakasamhita is a major classical treatise in Ayurveda. It is the redacted form of Agnivesatanra of Agnivesa. According to Caraka Saṃhitā. the tradition of Ayurveda started form Brahma and passed through DaksaPrajapati and Indra to Bharadwaja or Atri who handed it down to Atreya. The theories propounded byAtreyaare faithfully compiled byhis disciple Agnivesa in the name of Agnivesatantra. Later this treatise refined and enlarged by Caraka then it became known as Caraka Saṃhitā.