Rath Yatra or Jatra is the celebration of the Lord Jagannath, who is believed to be the Lord of Universe's journey towards his aunt's house. Though it is a Hindu shrine but this chariot festival is not associated with any particular denomination of Hinduism entirety, though there are several common aspects with Vaishnavaism, Saivism, Shaktism, Buddhism and Jainism.
Jagannath Rath Yatra is more than five thousand years old and the most spiritual thing is, the celebration follows all the same rituals from its starting. There would not seen any changes in this festival. Traditionally the Rath Yatra festival is celebrated annually in Puri, Odisha. During this world renowned festival, lord Jagannatha is worshipped along with his brother lord Balabhadra and sister Devi Subhadra.
Acccording to spiritual significance of Katha Upanishad- The festival talks about Human body as Rath and sarathi or driver as God, who drives the chariot of body to the yatra/journey to material existence or Bhavasagar. Classically it is mentioned as- The soul drive with in the Rath of body, which has been intellect and total devoted to God the driver of the chariot towards the material existence. The wheels are the significance of velour. The horses are and persistence. The horses are the synonyms of vigor, self discipline, tolerance, charity and discrimination, where as pity, equanimity and forgiveness are the reins of horses.
The popular Rath Yatra is the time when the Deities come out of the temple for all to see. Each deity visit Gudicha Temple in their specific chariots drawn by devotees. Gudicha temple is dedicated to Lord’s Aunt.