Mysore Dasara is the Nadahabba (state-festival) of the state of Karnataka in South West India. It is also called Navaratri (Nava-ratri = nine-nights) and is a 10-day festival with the last day being Vijayadashami, the most auspicious day of Dasara. Dasara usually falls in the month of September or October. According to a legend, Vijayadashami denotes the victory of truth over evil and was the day when the Hindu Goddess Chamundeshwari killed the demon Mahishasura. Mahishasura is the demon from whose name the name Mysore has been derived. The city of Mysore has a long tradition of celebrating the Dasara festival and the festivities there are an elaborate affair, attracting a large audience including foreigners. The Dasara festival completed 400th anniversary in year 2010.