EKRAJ 24K Gold Plated Color Metal Ketu Yantra 3.5 x 3.5 inch Approx. When Ketu is malefic, the use of Ketu Yantra is very benefic and favorable. As per Hindu mythology, at the time of “SAAGAR MANTHAN”, the devil “RAHU” managed to drink the immortal fluid “AMRIT” along with holy angels “DEVTAS”. Lord Vishnu became angry and cut his head using his “SUDARSHAN CHAKRA”. But as RAHU managed to drink “AMRIT”, he could not die. As the result the head and the trunk of his body were still alive. Afterwards, these two parts of his body became the shadow planet by the name of “RAHU” and “KETU”. “KETU” is an auspicious planet.“KETU” alike SATURN (SHANI) and “RAHU”, is said to be the SORROW of the “KAAL PURUSHA”.“KETU” indicates the position of the maternal grandfather of the native. It indicates the black magic, horned animals, death due to the animals with horns, dogs, hen etc. If “KETU” is in the malefic position in the horoscope, the native may suffer the enmities. “KETU” indicates the self-realization, understanding one’s own self, Vedic studies, knowledge, liberation from birth-death cycle, yoga, science etc.