Sadhana Intensive, open to TTC graduates, is a two-week intensive residential programme devised by Swami Vishnudevananda based on his own personal spiritual practice in the Himalayas. This course is based on individual self-practice of hatha yoga of up to 6-10 hours, divided into two or three sessions per day. This is balanced by the study of devotional yoga scriptures. The emphasis is on intense and prolonged pranayama practice. Read more.