Festivals and Fairs In Kolkata At the apex of Bay of Bengal lies Kolkata, a city masked with the richness of Indian culture. Festivals and Fairs are events meant to bring various cultures and religions close to each other. No other city expresses it so lively than the City of Joy. All the festivals irrespective of caste and creed are celebrated with much fun and frolic in the city.The City of Kolkata becomes a lively place during festive season. The major festivals observed in the city include Durga Puja, Kali Puja, Saraswati Puja, Eid and Christmas.