Four Mukhi Rudraksha is worn to enhance communication skills. This Rudraksha bead represents the energy of Jupiter or Guru. Dev Guru Brihaspati is known as the guru (teacher) of all Hindu devas (deities). With 4 Mukhi, the wearer gains knowledge and immense knowledge. The Guru's energy contained in the original 4 Mukhi Rudraksha helps in understanding all the four levels of knowledge.