Ahead of the International Yoga Day on June 21 Prime Minister Narendra Modi on Sunday said it is a unique occasion that brings people closer. 'The International Yoga Day is a unique occasion that brings us closer. The invaluable gift of India's ancient tradition' the Prime Minister said in a video message posted on his Twitter handle. He said when he outlined a vision for an International Yoga Day in September 2014 at the United Nations General Assembly even he had not anticipated the 'enormous enthusiasm for the occasion from all parts of the world.' (Read: International Yoga Day: 10000