9 Mukhi/ Nava Mukhi Rudraksha(Nine faces / 9 mukhi ) 
 Ketu and Pra Durga (Wife of Shiva) 
Shakti: 9 mukhi/Nava Mukhi embodies the nine forms of Goddess Durga.It blesses with strength, courage, knowledge, love, wealth, social status and spiritual enlightenment. The motherly Goddess Navdurga protects the wearer from any harm and helps pass through the  problematic Ketu Kaal. 
It is encouraging to Ketu related verticals such as spiritualism, knowledge, philosophy, occult science, scriptures, literature and ministership.
Suggested for: Ailments of breathing, high fever, eye-ache, constipation, skin disease, backache and cancer. 
Mantra:Om Nava Vaktrasya Om Hrim Hum Namah
Start day: Thursday