The word Navratri is derived from Sanskrit, meaning nine nights - nava (nine) ratri (night).
In the East and various parts of North east India, Navratri is celebrated as Durga Puja,
where the festival symbolizes the victory of Goddess Durga
Why we celebrate Navarathri
The Navaratri festival that celebrates the defeat of Mahishasura by Goddess Durga
signifies the victory of good over evil. In some parts of India, people observe fast during Navaratri.
On the last day the perform puja and break their fast.