Happy Navratri

सर्व मंगल मांगल्ये शिवे सर्वार्थ साधिके। शरण्ये त्र्यम्बके गौरी नारायणी नमोस्तुते।।

On the 7th day (Saptami) of Navratri, Maa Kaalratri is worshipped. Devotees will worship Goddess Kaalratri (Kalaratri). She is the fiercest and most violent avatar of Maa Durga and she is the destroyer of all evil and negative energies.