The ruling planet for 4 Mukhi Rudraksha is Mercury. In mythology 4 Mukhi Rudraksha bead represents Goddess Saraswati and Brahma. Malefic effects of Mercury include intellectual dullness of mind, lack of grasping and understanding power, difficulty in effective communication and also neurotic conditions of mind. This Rudraksha removes laziness, excess sleeps, and problem of unwanted dreams.