Kali Koudi Black or shell is the favorable objects to Maa Mahakali and Lord Bhairav Ji. Kali Koudi ensures protection from evil spirits and black magic and helps and relieves the native from the clutches of tantra. Kali Koudi is also used during the pooja of the Das-Mahavidyaa Ten Supreme forms of the mother Goddess. Many spiritual and tantrik pooja processes are completed successfully with the aid of Black Koudi. In Astrology, Black Koudi is used to balance the planetary effect of Saturn and the malefic effects of Ketu and Rahu. Keeping 11 Black Koudi in once pooja place to bestow the blessings of Goddess Maha Kaali. Kali Koudi must be kept at pooja place after wrapping in black cloth in the cash box for gain of wealth and success on the auspicious occasions like Diwali and any Shani Amawasya.