Jupiter is said to be malefic if it is aspected or is associated with malefic planets or is in Capricorn Rasi or is situated in 4th, 6th, 8th or 12th house.
Propitiations to be performed for benefic Jupiter are :
1. Wear yellow sapphire (pukhraj) in ring finger of the left hand after proph itii g it on Thursday. Mantra for it is xOm brhem brahaspatya namah'.
2. Wear yellow clothes on Thursday.
3. Prepare gram dal on Thursday.
4. Do business of Jupiter related articles, like: yellow wheat, turmeric, yellow cloth, Gold, oil, holy books etc.
5. Distribute boondi or ladoo Prasad on Thursday.
6. Apply kesar on the forehead for 27 Thursday.
7. Plant yellow flowers at home on Thursday.
8. Eat yellow food on Thursday.
9. Tie yellow thread on right arm.
10. Wear stomach long gold chain or gold ring or gold bangle.
11. Keep gold idol of your God at home.
12. Nail six gold nails at the four corners or the bed or house.
13. Wear nine/twelve/three faced Rudraksha.
Remedies to be done for malefic Jupiter:
1. Do Japa of Jupiter mantra daily.
2. Give articles related to Jupiter on Thursday. They are : yellow cloth, gold, gram dal, turmeric, yellow flowers, holy books etc.
3. Give ladoo or boondi Prasad in a temple on Thursday.
4. Do path of Shivsahastranam or do Rudrabhishek daily.
5. For children have Santan Gopal path done.
6. If girl is not getting married due to malefic Jupiter then look after a banana tree or a peepai tree.
7. Do not purchase or take Jupiter related articles on Thursday.
8. Give yellow cloth to a holy man on Thursday.
9. Do not wear yellow cloth on Thursday.
10. Give gram dal to a horse for 7 Thursdays.
11. Wear or keep at home Jupiter talisman.
12. Keep Thursday and amavasya fasts and perform Satyanarayana katha. Do not eat salty food on that day.
13. Do not do business of articles related to Jupiter.
14. Take medicine bath with medicines related to Jupiter on Thursday.