Yoga is a complete subject which refers to the traditional mental and physical disciplines. Yoga is an ancient art which is still practiced at a large in India and also in rest of the world. Yoga can help humans in several ways. Yoga includes asana which are the traditional exercises that help keeping body healthy and fit. Yoga is also a type of therapy which cures numerous diseases in a natural way. Meditation and pranayams are integral part of yoga that helps in concentration.