Maha Kali Yantra should be installed and worshipped to appease Goddess Kali who is the most fearsome expression amongst all the other expressions of divinity. She is responsible for the destruction and eradication of all the negative values and negativity of universe. Worshipping of this Yantra is supposed to give Success in any venture that a person undertakes and he is able to get victory over his enemies by the blessings of Goddess Kali. This Yantra has occult powers and it protects a person from Black Magic, Evil Eye, Bad Influence of spirits, Ghosts and Wicked Enemies. This Yantra is also effective to protect a person from the harmful effects of planet Saturn if the same is placed badly in a person's horoscope. The planet Saturn is responsible for most of the misfortunes, sufferings and sorrows of life and hence the worshipper of this Yantra gets a relief from them. This Yantra has great powers and as per Ancient Vedic Texts, it can also protect the person from diseases like Blood Pressure, Paralysis and Nervous disorders.