Markandeya Puran contains many miraculous uses about Nav Durga. Nav Durga Yantra is one of them. Worship of this yantra with faith gives progress in life and eliminates difficult problems. This yantra incorporates many mantras of Mother Bhagwati that make it highly effective.
Method of Use:
In the morning, keep the yantra before you and worship it in a normal manner. Then recite the Mother Durga Kavarna mantra. The whole atmosphere of the premises will get cleaned. Special worship of this yantra is carried out on Bhaumavasya before sunrise. Its details are available in Durga Saptashati.
Om Aing Hring Kling Chaamundaayai Vichchai.