On the basis of Vedic Astrology, Eleventh house in the horoscope represents the prosperity, benefits, friendships and relationship with the sibling. ketu is known as one of the destructive planets and mostly gives the malefic effects. ketu in 11th house can make the native a hermit, they can feel dificulties in making friends. However, this placement can be only benefic when there is a ketu dasha in the native’s birthchart.