Navratri special Day 7: Jai Maa Kalaratri! (see pics)
In order to kill demons Shumbha and Nishumbha, Goddess Parvati removed her outer skin and revealed a dark skin; this avatar is known as Maa Kalaratri.Maa Kalratri is the most vicious form of Goddess Parvati,
Navratri special Day 4: Jai Maa Kushmanda
Maa Durga's incarnation as Kushmanda is worshiped on fourth day of Navratri. Maa Kushmanda possesses eight arms, holding weapons and a mala or rosary.
Her mount is a tiger. Maa Kushmanda has the power to live inside the Sun. Maa Durga is worshiped with fragrances, flowers, incenses, diyas and rice.