In October 2013 I was one of a group of yoga enthusiasts- mainly, but not all, yoga teachers - who travelled from the UK to India for a double celebration - the World Yoga Convention, held every 20 years, and the Golden Jubilee of the setting up by Swami Satyananda of the Bihar School of Yoga.  Four of us from Scotland joined the UK group led by Swami Satyaprakash Saraswati, who is based in Birmingham.  The theme of the Convention was summed up as "Immersion in Yoga - serious, sincere and committed".  I'd never been to Ganga Darshan, the Bihar School of Yoga ashram situated just outside Munger, but apparently it had grown substantially in the last ten years.  Security was tight and rules such as no mobiles, no cameras, not being allowed out of the ashram except at permitted times were strictly enforced.  The need for this came home...