Dhoomavati Yantra should be installed and worshipped for overcoming Sadness, Sorrow, Depression, Tragedy, Diseases, Poverty and to Eliminate the evil impact of Ketu from one's horoscope. It is also worshipped for all round Success and Spiritual Upliftment and it gives quick results. Devi Dhoomavati is one of the ten Tantrik Goddesses known as Das Maha Vidhya and she represents the fearsome aspect of Shakti. She is depicted as an aged ugly widow and all the inauspicious and repulsive things like Crow and the Chaturmas period are associated with her as per Ancient Hindu Texts.