Vijayadashami is a festival celebrated in various forms across India, Bangladesh and Nepal. It is also called Dasara, Dashahara, Navaratri and Durgotsav. It is also known as Dasara and Dashain in Nepali.
Dussehra is celebrated on the tenth day of the Hindu autumn lunar month of Ashvin, or Ashwayuja which falls in September or October of the Western calendar, from the Shukla Paksha Pratipada, or the day after the new moon which falls in Bhadrapada, to the Dashami, or the tenth day of Ashvin. It is the culmination of the 10-day annual Navaratri (Sanskrit: ????????, 'nine nights') festival. It is the largest festival in Nepal, and celebrated by Hindu and non-Hindu Nepalis.