Yoga is huge in India. You think of an ailment and there is a yoga posture for it. But that does mean that you have to do yoga just because you are ill – you just do it. The main aim of yoga is to become one with God by doing exercises related to the Hindu Samkhya philosophy (one of the six systems of doctrine held by the Hindus You can read more about it in my book – Hinduism Made Easy: Hindu Religion, Philosophy and Concepts). It was in the 1980s that yoga became popular as a system of physical exercises across the Western world. In recent years, yoga has become extremely popular in India thanks to one man called Baba Ramdev. He actually single-handedly made some yoga postures (mentioned below) a household name.