Mother Kali is known as Kali-Ma, the Black Goddess, Maha Kali, Nitya Kali, Smashana Kali, Raksha Kali, Shyama Kali, Kalikamata, and Kalaratri. Among the Tamils she is known as Kottavei. Maha Kali and Nitya Kali are mentioned in the Tantra philosophy. 'Kal' means Darkness; Kali takes away that Darkness.