Step-1: Immerse Rudraksha in oil overnight. In the morning at the time of puja wash Rudraksha with Panchamrit, keep chanting "Om Namah Shivay".
Step-2: Now wash Rudraksha with pure water and star chanting Sadyojaat Mantra which is as follows.
Bhave Bhavenaati Bhave Bhavasvamaam Bhavodbhavay Namah".
Step-3: After this, rub sandalwood paste, Ashatgandha (mixture of eight fragrances) and kesar(saffron) on the Rudraksha and start chanting the following Vaamdev Mantra.
Namo Rudraay Namah Kaalay Namah Kala
Vikarannaay Namo Bal Vikaranaay Namo Balaay
Namo Bala Pramathanaay Namo Sarva Bhoot
Damanaay Namo Manomanaay Namah".
Step-4: Offer incense and start chanting following Aghor Mantra.
Sarvebhya Sarva Sharvvebhyo Namaste Astu Rudra Roopebhyah".
Step-5: Start smearing the Rudraksha with saffron and chanting the following Tatpurush Mantra also.
Tanno Rudrah Prachodayaat".
Step-6: Now chant Eeshaan Mantra on each Rudraksha.
Sarvabhootaanaam Brahmaadipati Brahmanaadhipati Brahma Shivome Astu Sadaa Shivom".
Step-7: After this, chant the specific mantra given above for each respective mukhi Rudraksha.
Step-9: Finally, after completing the steps mentioned above join both palms in a namaskar mudra and then chant