Navaratri (Sanskrit: नवरात्रि, literally “nine nights”), is nine nights (and ten days) Hindu festival, celebrated in the Tamil month of Purattasi every year. It is celebrated differently in various parts of the Indian subcontinent. There are two seasonal Navaratri in a year. This festival in this month is called Sharada Navaratri that is the most celebrated for Goddess Durga. The festival is associated to the prominent battle that took place between Durga and demon Mahishasura and celebrates the victory of Good over Evil. These nine days are solely dedicated to Goddess Durga and her nine Avatars. Each day is associated to an incarnation of the goddess.