Diwali firecracker rules were reportedly violated in Bhubaneswar and other Odisha cities, raising concerns over smoke, noise and air quality. Bhubaneswar: Security has been tightened across the Twin Cities of Bhubaneswar and Kataka for Diwali celebrations today. New Delhi: The Supreme Court on Wednesday ruled out a blanket ban on firecrackers during the upcoming festive season, observing that a complete prohibition hurts public sentiments.