Hatha yoga In all three texts, meditation is the ultimate goal of all the preparatory cleansing, asanas, pranayama and other steps. The aim of this meditation is to realize "Nada-Brahman", or the complete absorption and union with the Brahman through inner mystic sound. According to Guy Beck – a professor of Religious Studies known for his studies on Yoga and music, a Hatha yogi in this stage of practice seeks "inner union of physical opposites", into an inner state of samadhi that is described by Hatha yoga texts in terms of divine sounds, and as a union with "Nada-Brahman" in musical literature
Bhakti Ballabh Tirtha Below is the list of his books: Bhakti Ballabh Tirtha Srila Bhakti Ballabh Tirtha Maharaj (24 April 1924 - 21 April 2017) was a disciple of Bhakti Dayita Madhava Goswami Maharaj and an acharya and initiating spiritual master (Sri Guru) in the Gaudiya Math following the philosophy of the Bhakti marg, specifically of Caitanya Mahaprabhu and Gaudiya Vaishnava theology. He was the President Acharya of Sree Chaitanya Gaudiya Math, headquartered at Kolkata, West Bengal, India and having more than 22 branches in India. He was president of WVA (World Vaishnava Association) and founder of GOKUL( Global organization for KrishnaChaitnaya's Universal