Kriyasarira (Ayurveda Physiology) is primed for the BAMS students of Ayurveda Colleges as per the new curriculum of NCISM We have tried our best to simplify the book to facilitate easy learning for undergraduate students. As per the new syllabus, we have incorporated MCQs and short and long answer questions to edify the students about the questions they face for the university exams. We sincerely invite the readers to feel free and write to us expressing their frank opinions, critical comments and constructive suggestions.