Navchandi yagna is really a Nav Durga puja. This puja is to generate needs occur correct and likewise for well being, prosperity, energy. Also the prosperity, achievements and many other difficulties from the lifestyle. In other scriptures, Chandi is portrayed as "helping" Kali in her struggle Using the demon Raktabīja. https://www.youtube.com/watch?v=QIX0JZlLsgE