Vijayadashami is also called as Dasara/ Dussehra.It is one of the most important festivals celebrated in various forms, across India, Nepal and Bangladesh. Dasara is derived from the Sanskrit word Dasha-hara.
"The stories behind celebration of Dasara are different for different regions In India. Dasha hara literally means removing Ten and also known as Victory of Good over Evil. In north India it is celebrated as the day of Victory of God Rama over Ravana. In Southern parts of india it marks the Victory of Durga Mata over Mahishasura. Godess Durga is also known as Mahishasura Mardhini.