According to Hindu mythology Jupiter is considered to be the teacher of gods or Devas. In Vedic astrology, the planet Jupiter is known as Guru, Brihaspati and Devagura. As a God Brihaspathi is a handsome youth with a big-bellied body and a broad chest. Brihaspati is a Brahman by birth and son of Sage Angirasa (and grandson of Brahma) and Surupa. He is the teacher of Gods and knows the Vedas and is an expert in all forms of knowledge. Brihaspathi is four armed and wears yellow cloths and is very fond of sweets. He sits on a lotus and his chariot is pulled by eight yellow horses.
Afflictions to Guru or Brihaspathi can mean bad luck, loss in litigation, skin problems, arthritis, heart troubles, impurity of the blood, liver malfunction, diabetes etc. One can chant the Mantras of Guru in case of afflictions or do other remedies.
Mantras of Brihaspati
‘Om Brim Brihaspatye Namah’
‘Om Graam Greem Graum Sah Gurve Namah’
‘Om vrim Brihaspataye Namah’
‘Aum Hreem Kleem Hoom Brihaspataye Namah’
Gayatri Mantras of Guru / Brihaspathi
‘Aum Guru Devaya Vidmahe
Tanno Guruh Prachodayat’
‘Vrusha Dhwajaaya Vidhmahe
Gruni Hasthaaya Dheemahi
Thanno Guruh Prachodayat’
Brihaspati (Guru) Navagraha Mantra
‘Devaanaam Cha Risheenaam Cha Gurum Kaanchana Sannibham
Buddhibhootam Trilokesham Tam Namaami Brihaspateem’
Meaning : I bow down to Brihaspathi who is the teacher of Gods ans sages, who is resplendent and lustrous like burnished gold and who is endowed with a lot of wisdom and who is the lord of the three worlds.