Pratyangira is a Hindu goddess who is also called Atharvana Bhadrakali, Narasimhi, Simhamukhi, and Nikumbala which all are associated with lord Sakthi. Prathi means reverse, and Angiras means to attack. Pratyangira has the power to diffuse any black magic attacks. Pratyangira allies Narasimhi has half human and half lion-like Narasimma Moorthy and is a ferocious God wearing garlands made out of the skull. The combination of human and lion symbolizes the balance between Good and bad in one’s life. Negative and evil influences are being wiped out by worshiping pratyangira Devi.
Dates for performing this homam varies from one person to person based on their star and thithi. Quite often Fridays, Tuesdays, Sundays, Ammavasa, and Ashtami tithi are auspicious days to perform this pooja. Usually, this pooja is conducted at the midnight to eradicate the evil spirits.