They are among the foundational works of Ayurveda. The Suśruta Saṃhitā and the Caraka Saṃhitā are great encyclopedias of medicine compiled from various sources from the mid-first millennium BCE to about 500 CE.
The earliest literature on Indian medical practice appeared during the Vedic period in India, i.e., in the mid-second millennium BCE. Evolving throughout its history, of medicine in South Asia. In Sanskrit, words āyus, meaning 'longevity', and veda, meaning 'related to knowledge' or 'science'.
Ayurveda (Sanskrit: आयुर्वेद Āyurveda, 'the complete knowledge for long life' /ˌaɪərˈveɪdə/) or ayurvedic medicine is a system of traditional medicine native to India and a form of alternative medicine.