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Raksha Bandhan is observed on the last day of the Hindu lunar calendar month of Shraavana, which typically falls in August. On this day, sisters of all ages tie a talisman, or amulet, called the rakhi, around the wrists of their brothers, ritually protecting their brothers, receiving a gift from them in return, and traditionally investing the brothers with a share of the responsibility of their potential care. The expression 'Raksha Bandhan,' Sanskrit, literally, 'the bond of protection, obligation, or care,' is now principally applied to this ritual. It has also applied to a similar ritual in which a domestic priest ties amulets, charms, or threads on the wrists of his patrons and receives gifts of money. A ritual associated with Saluno includes the sisters placing shoots of barley behind the ears of their brothers.
when is raksha bandhan according to hindu calendar