Onam specially celebrated in Kerala, but Indian people is so excited to celebrate any festival, so the popularity of this Onam festival spread across the country. Mostly the effects of this festival felt in South India. This festival celebrated for 10 days with festing and lot of funs. Onam is one of the bright colourful festival celebrated once in year before harvesting corps. The festival commemorates the Vamana avatar of Vishnu and the subsequent homecoming of the legendary Emperor Mahabali.