The battle between Goddess Durga and the Asura lasted for 9 days and 9 nights .
This commemorates the victory of Goddess Durga over the Asura Mahishasur .
The battle between Goddess Durga and the Asura Mahishasur lasted for 9 days and 9 nights .
This commemorates the victory of Goddess Durga over the Asura Mahishasur .