Navratri is a Hindu holiday that is celebrated for 9 nights, honoring Durga, her nine avatars, and the victory of good over evil. Navratri is observed by fasting (avoiding specific foods) and prayers. Source: Times of India. (2021, October 7). When is Navratri 2021? History, Significance, Facts, Celebration and all you need to know - Times of India. The Times of India.