Raksha Bandhan 2021: The brother-sister relationship is honoured on Raksha Bandhan, which means "safety" and "bond." It falls on August 22 this year, on the full moon day, or Purnima, in the Hindu calendar month of Shravan. Every sister ties a thread around her brother's wrist as a symbol of her unwavering faith in him and her prayers for his long life on this day. In