Holi in Karachi . Sunny organizes the biggest and most boisterous of Holi Festivals in Karachi . It was a lot of fun. Karachi Hindu community celebrates Holi at the Swami Narayan Temple every years and its very big festival to see. Holi is a popular spring festival of colours that marks the burning of the demoness Holika, who paid the price for her sinister desires when she entered a blazing fire with her nephew Prahlad in her lap.