Budha Puja or Mercury Puja is dedicated to planet Mercury. Budha Puja on Wednesdays brings in manifold benefits like eliminating difficulties, healthy progeny, possession of fertile lands etc. Following things are associated with Buddha- the Mercury Mercury is known as Budha in Vedic astrology. Budha is known as ''Grahapati'', or lord of the planets. Budha is considered wisest among the planets. Nature of mercury is Airy. Mercury refers to the intellect and intellect comes from mind.Budh Puja is recommended for those having malefic Mercury or wrongly placed Mars as per the horoscope In Vedic Astrology.