A high quality of Medical Knowledge was prevalent in ancient India. The present day Archaeological evidences of Mohenjo-daro and Harappa imparts the high civilization in matters of sanitation and hygiene. An analysis of the material in the Vedas reveals that, all the four Vedas replete the references regarding various aspects of medicine. The Atharva Veda is deemed to be an encyclopaedia for medicine "Interalia", and Ayurveda (the science of life) is considered as Upa Veda (supplementary subject) of the Atharva Veda. A few glimpses of medical Science as prevalent in the ancient India have been presented here.