In Vedic astrology, Jupiter's placement in the 8th or 12th house of a birth chart (Kundli) can sometimes present challenges related to finances, spirituality, or overall well-being. As a remedial measure, donating bananas on Thursdays is often recommended. Bananas are associated with Jupiter (Brihaspati), and this act of charity is believed to strengthen the planet's positive influences. It is thought to mitigate the potential negative effects of Jupiter's placement in these houses, bringing blessings and promoting growth.