In Vedic astrology, Ketu  represents detachment, past-life karma, spirituality, intuition, isolation, sudden events, and liberation. Unlike other planets, Ketu does not operate through logic or material intelligence. It works at a subconscious and karmic level. Ketu can either make a person spiritually elevated or mentally confused — depending on its placement in the birth chart. Chanting the Ketu mantra is one of the most effective ways to balance its intense and unpredictab