The main event of 4th International Yoga Day celebrations (IDY-2018) will be held on 21st June 2018 at Dehradun in Uttrakhand. Yoga is an ancient physical, mental and spiritual practice that originated in India. The word ‘yoga’ derives from Sanskrit and means to join or to unite, symbolizing the union of body and consciousness. Today it is practiced in various forms around the world and continues to grow in popularity. The day is celebrated every year on June 21 to raise awareness worldwide of the many benefits of practicing yoga.