By doing yoga, one cannot become yogi. By doing yoga regularly can have good health. Yoga Vidya is different. Doing yoga is different.Patanjali says”yogaschittavrudhi nirodaha”.yoga means a union of individual consciousness or soul with universal consciousness or spirit. For yoga, astamgayoga is main. In this Yama, niyama, pranayama, meditations were explained. This is done by following proper diet and sense repression.