Saraswati rudraksha (4-6-4)

Improve memory power.
Increases the intensity of imagination, information, contemplation, and fixation.
Helps in acquiring achievement in investigations.
Increases scholastic forces.
Shields from malefic effects of mercury and venus.

Extra Tip: It's a must-wear for all types of Students and Teachers. It can be worn on Mondays between 6-7 am or Friday 6-7 am by chanting 'Om Namashivaya' Mantra