Rahu Mantras | OFFLINE | HD Audio | Repeat | FREE | HD God image. Rahu, the 8th planet, in shadows and like Ketu, this planet is also not visible in the galaxy. A mine of information about Rahu is available in Brahma puraana, Mahabhagavata, Mahabharat, Matsya puraan, Vishnu puraan and Rigved. Rahu was born to Simhika and Viprachitti.