A powerful yantra to worship all the nine powers of Goddess Durga. Nav Durga Yantra is typically worshipped on Ashtami and during Navratras. Markandeya Puran contains many miraculous uses about this yantra. It incorporates many mantras of Goddess Bhagwati that make it highly effective. Sri Navdurga yantra is a powerful Yantra for attaining desired goals and alleviating personal and professional problems.