Guru (Jupiter) Yantra

Yes, Guru and Brihaspati commonly name Jupiter in Jyotisha. This listing concerns the graha, not a portrait or Yantra of a particular teacher.

Thursday is commonly linked with Jupiter or Brihaspati in devotional calendars. Formal timing can follow your local calendar and tradition.

They have different devotional associations: Jupiter/Brihaspati versus Goddess Saraswati. Choose according to your practice rather than treating them as interchangeable exam remedies.

No. Wisdom and ethical learning are traditional themes; personal outcomes cannot be assured by the item.

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Choose Thursday. After a bath, clean the puja space and place the yantra on a red or yellow cloth. Sprinkle Ganga jal, apply kumkum or sandal paste, and offer flowers, rice and a ghee diya. Chant "Om Graam Greem Graum Sah Gurave Namah" 108 times. After that, a short daily prayer or lamp is enough.

Puja and Vastu tradition suggest keeping it in the north-east, at eye level or on the altar, with the front of the yantra facing you during prayer. Keep the place clean and avoid bathrooms, the floor or the space under a staircase.

Yes. Many families keep several yantras together in the home mandir. Place the main family deity at the centre and arrange the yantras around it, keeping each one clean and visible. There is no rule against keeping graha yantras and deity yantras in the same place.