How Rahu and Ketu Came in Existence?
Rahu and Ketu are two shadow planets. They are not real planets. As per Hindu mythology, Rahu is the head part and Ketu is the remaining body of a demon who drank the nectar (Amrit). According to the mythology, Lord Vishnu cut off the demon's head when he found him cheating to drink the nectar. However, as he drank the holy nectar, he remained immortal. But since the head was cut by the Sudarshan Chakra of Lord Vishnu, the demon was cursed to stray in the universe with separate body and head. They are highly inauspicious planets and most of the times are a bad omen. Rahu brings chaos, mystery and cruelty in areas of life when it controls the planets. It also imparts uncontrolled growth without wisdom and understanding.