9 mukhi is the form of the Goddess Durga (Shakti). It contains the power of Nine Deities. The worshippers of the supreme power Shakti must wear this . All the are the symbol of Lord Shiva but Nine faced contains special Nine qualities. It increases self-power. It makes us concentrate our mind and it also creates the belief that as by hiding the head into the lap of mother, all the fears of a child finish, similarity its wearer becomes fearless. The blessings of the Mother remain with him who always wears it. Nine faced gives the wearer both devotion and salvation. When invoked, the mother Goddess blesses the wearer with lot of energy, powers, Dynamism and fearlessness, which are useful to live a life of success. Gives Bhoga and Moksha. It's ruling planet is Rahu (Dragon's head).