Karkotak Kaal Sarp Dosh is to be formed when in Native’s horoscope Rahu placed in eighth house and ketu is in second house and rest of the planets are hammed between Rahu and Ketu. Native having Karkotak Kaal Sarp Dosh in his or her horoscope, is very unfortunate in the life, He/she faces the bad luck in every field of life. He/she may not have advantages of prenatal Money, they are used to speak Sarcastic speech. Bad health and insulted by family members. Cheated by friends, may die due to poison. He/she may get late marriage and do not have the sexual pleasure after marriage.