This is the most common dosha found in many horoscopes when examined. According to popular beliefs in astrology Gandmool dosh is capable of causing serious threats. Definition of Gandmool dosh is a bit vague in Vedic astrology and one needs to ponder and consider other facts before asserting this dosh according to its prevalent definition. The definition states, if the Moon is placed the 6 Constellations or Nakshatras named Revati, Ashvini, Ashlesha, Magha, Jyeshtha or Moola in birth horoscope of a person, he or she is considered to be born under GandMool Dosh.