Blue navratan pattern double ikat patan patola saree. the word 'navratna'. or nine gem pendant our solar system, known as 'navgraha'. according to swamini saradapriyananda, these nine are said to have the greatest influence on the physical and psychic conditions of living beings. the nine grahas represent the sun, moon, mars, mercury, Jupiter, Venus, Saturn and rahu, keta which are ascending and descending nondes of the moon. on specially occasions, 'navgraha shanti' or ritual ceremony is performed. the sun is always represented in centre. the 8 graphs or planets surrounding the sun represent the eight fold nature of man, which manifets itself as life, while the sun represents the higher nature, 'the soul''.