The siddha system is a distinct science comprising of Vatham, Vaidhyam, Yogam and Njanam
Vatham means alchemical process that deals with conversion of quality form, inferior one to the superior one.
Vaidhyam mean curative process with various herbs, metals and animals products.
Yogam deals with the path for salvation or the transcendental motivation of the soul.
Njanam deals with philosophical as well as spiritual concepts.
Siddha system has two major concepts regarding its vaidhyam aspect.
Three humoural theory includes Vatha, pitha and kalpa. Humour means any of the basic principles or essential factors related to our life that determines a person's mental and physical qualities.
|Naadi||Three humours (Pulse)|