Vaidya (Sanskrit: वैद्य) is a Sanskrit word meaning "physician". It is also used unchanged in modern Indo-Aryan languages such as Hindi. It was and is used generally in India to refer to a person who practises ayurveda, an indigenous Indian system of medicine. Senior practitioners or teachers were called Vaidyarāja "physician-king" as a mark of respect.Some practioners who had complete knowledge of the texts and were excellent at their practices were known as " Pranaacharya". Some royal families in India had a personal vaidya in attendance and these people were referred to as Rāja Vaidya "the king's physician"