यद्यद्भावगतौ वापि यद्यद्भावेशसंयुतौ ।
तत्तत्फलानि प्रबलौ प्रदिशेतां तमोग्रहौ ॥ १३ ॥
Rahu and Ketu, give good or bad results according to their position or association. They give the results of the houses they occupy or the houses owned by the planets conjunct with them
Rahu and Ketu will act according to the quality of the house and the sign owner.
Rahu or Ketu also give results of the planets influencing them through aspects.
Rahu and Ketu also give the results of the planet they are conjoined to.
They will be neutral in the 2nd, 12th, 4th,7th and 10th houses. In the 1st, 5th, and 9th they will be auspicious. In the 8th they will be extremely evil. In the 3rd, 6th, and 11th they will be inauspicious. If they are solitary in these houses.
यदि केन्द्रे त्रिकोणे वा निवसेतां तमोग्रहौ ।
नाथेनान्यतरेणापि सम्बन्धाद्योगकारकौ ॥ २१ ॥
21. Rahu or Ketu occupying an Angle or Trine has a relationship with the Lord of any other Angle or Trine, the Yoga will be effective. If Rahu or Ketu occupies a Kendra or a Trikona and by occupying a Kendra be related to Trikona lord or by occupying a Trikona be related to a Kendra lord then they become Yogakarakas.
If Rahu and Ketu are Without the influence of any planet-
(a) In a Kendra they will be neutral while in a Trikona they will be auspicious.
(b) In the 7th or 2nd house they will function as Marakas.
(c) Placed In the 3rd,6th, or 11th house they may give inauspicious results.
(d) Placed In the 12th house they will be neutral and will reflect the result as per associated planets.
(e) Placed In the 8th house they may produce evil results.
(f) If conjunct with the planets-
(g) In a Trikona with a Kendra lord, Yogakaraka.
(h) In a Kendra with a Trikona lord, Yogakaraka.
(i) Placed In the 3rd, 6th, or 11th house with their lords, inauspicious results.
(j) Placed With the 8th house lord Rahu-Ketu will give inauspicious results but placed with the 8th lord in the 8th house—may give auspicious results.
(k) Placed In the 2nd or 7th house with their lords, as specific Marakas.
(l) Placed In the 12'th house with the 12th lord, neutral.
