Raksha Bundhan means the "Bond of Protection". This festival celebrates the link between brothers and sisters. During this festival, a sister attaches a holy thread known as "Rakhi" around her brother's wrist. Then, the brother in turn, vows to look after his sister, and offers her a gift.
Hinduism: World Oldest Religion
Hinduism is one of the world's largest religions, followed by one billion people making it the third largest religion in the world. Most of the Hindus are in the Indian subcontinent. Nevertheless, they are not a religious majority except in India and Nepal. India has a Hindu population of 890 million.