New Delhi: In the 10-day long Durga Puja festival, Durga Ashtami or Maha Ashtami is one of the most auspicious days. The eight day of Navratri is known as Maha Ashtami or Durga Ashtami. Goddess Kali had appeared on this day from the forehead of Maa Durga and killed demons who were the associates of Mahishasura, it is said. Maha Ashtami or Durga Ashtami is celebrated with much fervour by many households across the country. At the end of the day, sandhi puja is performed, said to be a significant part of the day.