Charaka was one of the principal contributors to Ayurveda, a system of medicine and lifestyle developed in Ancient India. He is known for authoring the medical treatise, the Charaka Samhita. Charaka was resident of Kapisthal (now known as Jalandhar), located between Iravati (Ravi River) and Chandrabagha (Chenab River) rivers in Panchanada (Punjab). Panchanada was name of Punjab in Mahabharata. He is well known as the "Indian father of medicine". Charaka is said to have studied at the University of Ancient Taxila and practiced there.