Rahu is probably the most dreaded planet of all and the irony is that it is not even a planet but a mere shadow. It is associated with many things and people interpret its results variedly. No two astrologers will be giving the same prediction usually for the same placement of Rahu or Ketu. I am going to talk about the placement of rahu and ketu with respect to the horoscope of time i.e. kaalpurusha's horoscope where Aries will fall in the first sign, Taurus in second and so on. One can correlate with his natal chart the effects of these two in his horoscope in houses and signs.
When Rahu will be in Gemini Ketu will be in Sagittarius. The native tends to believe things without knowing the facts and does not even tries to verify the facts. The native is too much possessed with him and is always in a "hurry" mode. Domination over others is a common symptom. The native feels more pressure over him and reality is totally different from what he perceives. Interpersonal skills are not very good. He is more willing to talk then to listen and this creates a gap in the communication. The native feels the he is the right person and will always do the right things which may not be the truth always.