Goddess Chandraghanta is worshipped on the third day of Navratri (September – October). Chandraghanta Mantra is in Hindi. The prayer is chanted on the third day of Navratri and also by those who worship Chandraghanta Devi daily. The mantra is chanted for attaining wealth and for fulfillment of desires.
Chandraghanta Mantra is in Hindi and there are four mantras – Mool Mantra, Dhyan Mantra, Stotra and Kavach Mantra.
Most devotees only chant the Mool Mantra.
A devotee can chant any of the mantras. He can also put them into any combination and chant. Like some people chant Mool and Dhyan or Mool and Kavach.