Navagraha temples are dedicated to Navagraha – the nine major celestial bodies of Hindu astronomy. These celestial bodies are named Surya, Chandra, Mangala, Budha, Brihaspati, Shukra, Shani, Rahu and Ketu. In Hindu’s Astrology, it is strongly believed that the nine planets (navagarahams) play an important role in a man’s fate According Hindu religion, it was trusted that these planets (navagrahas) were in-charge for punishing or giving judgements for those did sins in their poorva janam(Post Birth). Also if you done any good deeds in your poorva janam, these planets will gives us luxuries in our life. So worshipping these navagrahas regularly will reduce its effects on us.