Rahu and Ketu, the shadow planets, are directly opposite each other in everyone's horoscope. In whichever malefic house or planet Rahu is associated with, it will produce results similar to that malefic house or planet.
You will experience the above in a good way, depending on the Sun's position in your horoscope, when the Sun is in a very elevated position and the Surya or Yoga Dasa is in progres
