Lecture by Swami Tattwamayananda. With the perfection of Yamas, Niyamas, and Asanas one becomes qualified to practice pranayama, breath control. Four stages of pranayama are discussed. An example from the life of Sri Ramakrishna of the highest stage of Pranayama is given. It can be very dangerous to practice such techniques without a teacher and requisite Yamas and Niyamas. Verses: II.49, II.50, II.51