Durga Puja, the biggest Bengali festival, is a UNESCO World Heritage Site. Among the other attractions of Durga Puja in Kolkata is the Durga Puja Carnival organized by the West Bengal Government. Various puja pandals of Kolkata, India, participate in this carnival. Clubs participate in this carnival by arranging tableaus, dancing and singing. Then according to the rules, idols are immersed in the Ganges.