The sisters tie the silk thread called rakhi on their brother's wrist and pray for their well being and brothers promise to take care of their sisters.
Festivals are the celebration of togetherness the celebrations of being on of the family.

There are many popular legends that signify the importance of the Rakhi/Rakshabandhan in India. That are (1) the consort of Indra and Brihaspati,(2) Yudhishthira( the eldest Pandava son)and Lord Krishna, (3)the Mughal Emperor Humayun & Gujarat Sultan etc.

Rakhi is being celebrated since ancient time and its popularity seems to be increasing with every passing year Like any other festivals of India the exchange of sweets, other gifts adding lots of fun, singing and dancing are the essence of the festival of Rakhi or Raksha Bandhan.