The seventh day of Navratri is devoted to the worship of Maa Kalratri. Goddess Kalratri is said to be one of the terrible forms of Devi, like tara, Bhairavi, Chamundi, and Bhadrakali.

Devi is dark in complexion and wearing a garland of skulls around her neck. He has four arms and three eyes. She is holding the Vajra and sword in her hands. Devi's untied hair is ferocious and is soaked in blood. She ascends on a donkey and is death personified. This form of the Devi is very terrible and creates fear in the heart.

Devi Kali and Kal Ratri are often confused to be the same but these two divinities are separate entities. Devi Kali is the supreme Devi, whereas Devi Kalratri is one of her forms same as Tara and Bhairavi.

She is the destroyer of Shumbha and Nishumbha, two demon brothers who were a threat to the entire universe. She is the destroyer of all demon entities, ghosts, spirits, and negative energies, who flee upon learning of her coming. She is also known as Shubankari which means auspicious. It is said that she gives auspicious and positive results to her devotees, making them fearless and full of power.