"Nav" means nine, and "grah" means planets. Thus, Navgrah refers to the nine planate , which are the Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn, Rahu, and Ketu. Navgrah Shanti Puja is a Hindu religious ritual performed to appease and seek the blessings of the nine planate that are believed to influence various aspects of human life according to Vedic astrology.