Modulation of cardiac autonomic tone is a topic of current interest in research because of its association with several cardiovascular autonomic diseases of public health importance. Yoga has proven benefit in balancing the cardiac autonomic tone. This study aimed to explore the intricate mind body mechanisms with special reference to the immediate effect of Padahastasana (PD) and Ardha Chakrasana (AD) on cardiac autonomic nervous system and to quantify the cardiovascular ANS response to different yogic asana. Materials and Methods: This was a Cross Sectional Study, conducted in autonomic function lab, of