Dussehra, also known as Vijayadashmi, is a major Indian festival celebrated on the tenth day of Ashvin month according to the Hindu calendar. This day falls in the month of September or October. The day culminates a 9 day fasting period of Navratri in the Hindu culture. It also coincides with immersion of the idol of Goddess Durga. The day is celebrated to commemorate the killing of Ravana by Lord Rama. The day also celebrates the killing of demon Mahishasur by Goddess Durga. Dussehra celebration spreads the message of the victory of good over evil.