 Ketu is considered responsible for "moksha", "sannyasa", self-realization, "gnana", a wavering nature, restlessness, the endocrine system and slender physique.The people who come under the influence of Ketu can achieve great heights, most of them spiritual.Rahu, being a karmic planet would show the necessity and urge to work on a specific area of life where there had been ignorance in the past life.