What is "chandraghanta"

In Hinduism, Chandraghanta is the third form of Goddess Durga. Her name Chandra- Ghanta, means "one who has a half-moon shaped like a bell". She is also known as Chandrakhanda, Chandika or Rannchandi. Her worship takes place on the third day of Navaratri (the nine divine nights of Navadurga). She is believed to reward people with her grace, bravery and courage. By her grace all the sins, distresses, physical sufferings, mental tribulations and ghostly hurdles of the devotees are eradicated.