Class Videos May 18, 2012 Mandukya Upanishad Class 4 – The Mystery of Waking, Dream, and Deep Sleep (II) Video Playerhttps://www.youtube.com/watch?v=iDQIaHWB55Y00:0000:0001:07:08Use Up/Down Arrow keys to increase or decrease volume. Lecture by Swami Tattwamayananda Class 4 of Mandukya Upanishad with Gaudapada karika delivered on 2012-05-18 (May 18, 2012). Covered Mantras 3 and 4. Read more