It is believed that for 3 day during 'savan'or rainy season , king Bali returns to Earth. These three days are celebrated as Onam in Indian state of 'kerala'. During this festival , the idols of lord Vishnu and king bali are made out of rice and worshiped. A famous boat race is also organised across kerala in honour of king Bali. The people from every faith in kerala celebrate this feast. It is a regional festival of Keralites.