Classical Jyotisha prescribes specific corrective measures - gemstones, mantras, charity (daan), and rituals - to pacify a malefic or weak planet's influence in your birth chart.
Wearing a planet's corresponding gemstone (Ruby for Sun, Pearl for Moon, Red Coral for Mars, Emerald for Mercury, Yellow Sapphire for Jupiter, Diamond for Venus, Blue Sapphire for Saturn) after proper consultation can strengthen its benefic significations.
Each graha has a sacred seed mantra. Regular, disciplined chanting (108 times, on the planet's own weekday) is considered the safest, most universally applicable remedy with no side effects.
Donating items associated with an afflicted planet - food grains for Jupiter, black sesame for Saturn, copper for Mars - on that planet's ruling weekday helps neutralize its malefic effects.
Observing a fast on a planet's designated weekday (e.g. Monday for Moon, Saturday for Saturn) is a classical discipline-based remedy for pacifying that graha's energy.
Sacred geometric diagrams (Yantras) and specific Rudraksha beads are used to invoke protective and balancing planetary energies in daily life.
The correct remedy always depends on YOUR exact birth chart - a planet strong in one chart may be weak in another. Generate your free Kundali first to see which planets actually need remedial attention.