1st International Yoga Day was officially observed on 21st June 2015 world-wide by the United Nations and supported by APPG Indian Traditional Sciences in UK amongst hundreds of Yoga enthusiasts assembled at Bernie Spain Gardens on the south bank of River Thames in London, where they were welcomed by H.E. Hon. Ranjan Mathai the High Commissioner of India to the UK, and Bob Blackman MP Co-Chair APPG Indian Traditional Sciences.