GURU (JUPITER) YANTRA
The planet Jupiter is known as Guru or Brihaspati. He is putra karaka (the Significator) of children. Guru ill placed would cause problems related to children as well as delay in child birth. He governs digestive juices and affliction to guru will cause jaundice. He bestows vidya (wisdom) which is essential to understand any subject in depth. He is revered as the teacher of all Gods. He is the dispenser of divine justice. No other planet hates Jupiter as he himself is Providence . He gives good manners, patience and devotion. Many of the problems in life are successfully combated if Jupiter is strong in the chart. The remedial measures to Guru are easy to perform. Even if there are lapses in the process (Anustana), being kind-hearted, he does not mind. Regular recitation of guru will give a firm support from the Almighty and reduce the problems in life. Remedial measures to guru are at most important for begetting children as well as to gain in-depth knowledge.
According to the Rig-Veda Jupiter is worth worshipping for the whole world. If he becomes pleased with his devotees he blesses them with prosperity and intelligence. He helps his devotees to be on virtuous paths and protect them in every calamity. Jupiter is very affectionate towards people who seek his refuge. His great phase lasts till sixteen years. Fast should be observed on dark moon (Amavasya) and on Thursday for his pacification. Guru Yantra should be established for worship of Lord Jupiter for blessings in prosperity, power, rank, authority, abundance, wealth, business and for strengthening a weak Jupiter in the horoscope with Pooja and mantra.
This yantra is also known as Brihaspati yantra. When Jupiter is malefic; the use of Jupiter Yantra/Brihaspati Yantra is very benefic and favorable. Jupiter Yantra is to be kept on rising moon Thursday in your Pooja Ghar. Jupiter Yantra negates the malefic effects of planet Jupiter and bestows power, rank and authority. Jupiter Yantra is best for profession and business. Embossed on copper plate.
Mantra in English:
Stotra : Devanam ca rishinam gurun kanchana-sannibhham buddhi-bhutam tri-lokesham tam namami brihaspatim
When translated in English, it means:
"I bow down to brihaspati, god of the planet Jupiter. He is the spiritual master of all the demigods and sages. His complexion is golden, and he is full of intelligence. He is the controlling lord of all three worlds."