Mantra : Om Namah Shivaya
Deity : Almighty God or Omkar (Om)
Useful For : Everybody who want to live total life successfully and in the end liberate.
Ekkis Mukhi Rudraksha
This Rudraksha is related to Ek Alakh Nirnjan.. The person who wears this Rudraksha after proper Sidhhi ( method of purification & charging with Mantra) will involve deeply in Bhakti.
It is called Ek Alakh King; the Omkar(Om) itself. It is the creator and do preservation of the universe and it is the past, present and future itself. This Rudraksha belongs to each and every Shakti (power). Lord Brahmma, Vishnu and Mahesha along with all other God and Goddess live in this Rudraksha. The wearer of this Rudraksha gets all the comforts, leisure and happiness and in the end get the Moksha ( liberation).
Note : Above details are taken from ancient handwritten text and Gurumukha. The description is seen in the deep meditation of Lord Shiva by Lord Datta Treya
Rules for the Rudraksha: The Wearer of the Rudraksha should chant related Rudraksha Mantra along with Rudraksha Utpatti Mantra (Mantra for the Rudraksha Origin) daily at least 9 times while wearing and removing in the night before going to sleep.