Eid-ul-Adha or Eid-al-Adha, which is one of the most important festivals celebrated by Muslims all over the world, falls on the tenth day of Dhu al-Hijjah marking the end of the Hajj pilgrimage to Mecca. This year, it will be celebrated on July 21 in India and Saudi Arabia it is being celebrated on July 20. The festival across the globe is celebrated with much fanfare by the Muslims. For believers, people will be wishing their friends, family and acquaintances as this is the most auspicious festival of Islam.