Ganesh Rudraksha Kavach :

It symbolizes Ganesha the God of intelligence and knowledge. He is also the Lord of obstacles. Wearing of this Rudraksha takes away all the hurdles and obstacles from the life of a person, giving all round success and happiness for students. It is a boon for their success in competitive examinations. Although 21 types are listed, the Shastras give Mantra for only 14 types from Ek-Mukhi one face onwards. On the other hand, fifteen to twenty-one faced Rudraksha are kept at Pooja alter.

Mantra to be recited with this Rudraksha is mentioned below-

Om Gang Ganpataye Namah