Goddess Kaalratri is the seventh among the nine forms of Durga. Goddess Kaalratri is worshipped on the seventh day of Navratri. Goddess Kaalratri is the destroyer of darkness, enemies and ignorance. Goddess Kaalratri is depicted with black (or blue) skin with bountiful hair and 4 hands, Her vehicle is a faithful donkey.
जय त्वं देवि चामुंडे जय भूतार्तिहारिणी !
जय सर्वगते देवि कालरात्रि नामोSस्तु ते !!
Jaya-Twam Devi Chamunde Jaya Bhootartihaarini !
Jaya Sarwagate-Devi KaalRaatri Namostute !!