When Guru or Jupiter combines with a weak Shani or Saturn or when he joins Rahu or when he is along with Gulika , we have Guru Chandal Yoga.. It is to be noted that in all such cases Jupiter must be weak and debilitated. There is a Chandal Yoga in your horoscope ,when Guru and Rahu or Ketu are together. The cumulative effects vary with reference to the strength of Guru (Jupiter) and Rahu, the nature of the sign involved and the Bhava position. A person can be very ambitious and self centered. suspicious nature. lack of gratitude, selfishness, extravagant & can be successful too. Tendency to portray others in the negative light & desire to live in solitude is also possible. . If Jupiter is malefic then this position gives distress, mental stress and suffer losses. The native will become a pauper. poisonous in his speech & There will be chaos in the domestic life.