The book Physiology in Ayurveda" in English is written primarily for the students of B.A.M.S. & M.D. (Ay) course of Indian Universitites, keeping the context with the recent changes in medical education and the advent of core curriculum. This book provides the detail knowledge of dosha, upadhatu and mala keeping in pace with latest information and newer understanding of the discipline. The material of this book has been kept up-to-date knowledge and special emphasis has been given to dosha, dhatu, upadhantu and mala with modern correlation.