200-hour Ashtanga Yoga Teacher Training Primary Series at Multi Style Yoga School, Rishikesh you need to have prior knowledge and experience of Ashtanga yoga. Since the yoga teacher course is demanding and intensive you need to be in top physical condition. Candidates applying for the 200 hour YTTC must make sure that they have been practising Ashtanga Vinyasa yoga for 90 minutes daily for at least three months before they begin the 200 hour Primary Series yoga certificate course.