Goddess Kali 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. Worshiping Goddess Mahakali is supposed to give Success in any venture that a person undertakes and he is able to get victory over his enemies by her blessings. Blessings of Maa Kali protects a person from Black Magic, Evil Eye, Bad Influence of spirits, Ghosts and Wicked Enemies. Blessings of Maa Kali 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 Goddess Kali gets a relief from them.
To destroy the evil demons, Devi Parvati (consort of Lord Shiva) took the furious form of Devi Mahakali with astonishing destruction power. Initially, she started destroying the demons but since she was fighting a very ferocious battle with demons, she got carried away and started destroying everything in sight. To stop this, Lord Shiva threw himself in her path. The moment, Goddess Mahakali put her feet on Lord Shiva, she was shocked and stuck her tongue out realizing to the reality and became normal.
In this Idol, Goddess Mahakali is in astonishing pose by stucking her tongue out and in one hand, she holds the demon's head.