7 continents in the World 7 days in a week 7 colours in a rainbow 7 basic musical notes 7 chakras in a human being 7 pheras in a marriage 7 wonders of the world 7 th day of 7th month- Birthday of a wonder of the cricketing world #HappyBirthdayDhoni . May God Bless ( v .sahwag) happy birthday Ms dhoni