Onam (Malayalam: ഓണം) is a Hindu festival celebrated by the people of Kerala. The festival commemorates the Vamana avatar of Vishnu and the subsequent homecoming of the legendary Emperor Mahabali. It is the state festival ofKerala and falls during the month of Chingam (August–September) and lasts for ten days. The festival is marked by various festivities, including intricate flower carpets, elaborate banquet lunches, snake boat races, Onappottan, Kaazhchakkula in Guruvayoor, Puli Kali, Kaikottikkali etc.
According to the legend, Kerala witnessed its golden era during the reign of King Mahabali. The Brahma-Vaivarta Puranamexplains that Lord Vishnu wanted to curb the pride of Indra; and therefore positioned Mahabali in great power.