I have something to tell you- Yoga is free of charge. Only a Guru can teach yoga, a liberated sage.
Yoga is not a sport. Yoga came from sanskrite word yuj mean union and his goal is liberation from reincarnation cycles and attain Divinity. Yoga is for life, not for few months.
To practice yoga is to live it daily, to have vegetarian died, keep celibacy and have pure mind and thoughts
Yoga is for all people, but not all can follow this path.