On the third day of Navratri, there is a ritual of worshipping the Chandraghanta form of Maa Durga. Maa Chandraghanta is worshipped and praised on the third day of Navratri. A bell-shaped crescent shines on Maa's forehead. That is why she is known as Maa Chandraghanta. Another name for Maa Chandraghanta is Chandrakhanda.