Ketu yantra is to please planet ketu and helps in removing the maletic effects arising out when ketu is maletic. Ketu yantra helps in success of business, removing of enemies and all round success. Worship of ketu yantra can help in removing the maletic effects of all other planets. It is believed to have a tremendous impact on human lives and also the whole creation. In some special circumstances it helps someone achieve the zenith of fame. In hindu astrology, Ketu represents karmic collections both good and bad, spirituality and supernatural influences.