Mahabali (IAST: Mahābalī, Devanagari: महाबली, Malayalam: മാവേലി, മഹാബലി) is also known as Bali or Māveli or "Vairochana" was a benevolent Asura King, and the grandson of Prahlada in Indian scriptures. The festival of Onam is celebrated in Kerala to mark his yearly homecoming after being sent down to the underworld Sutala by Vamana, a dwarf and the fifth incarnation avatar of Vishnu. The government of Kerala declared Onam as the ‘State Festival’ of Kerala in 1960.
- Gopal, Madan (1990). K.S. Gautam, ed. India through the ages. Publication Division, Ministry of Information and Broadcasting, Government of India. p. 74.
- M. Nazeer (2010-08-10). "The abiding lore and spirit of Onam". The Hindu. Retrieved 2013-09-26.