Navratri, One of the greatest Hindu festival, Nav' means 'nine' and 'ratri' means 'night'. The 9 nights festival of Navratri begins on the first day of Ashwina of the bright fortnight.Navratri, the festival of nine nights is dedicated to Goddess Durga and her nine forms. According to the Hindu calendar, Navratri begins from the first day of the bright fortnight of Ashwin which usually coincides with the end of the rainy season.