Shivaji Park residents report a peaceful Diwali with fewer firecrackers and less air and noise pollution after BMC warnings and improved police enforcement. Shivaji Park residents say the area witnessed its most peaceful Diwali in years with fewer firecrackers and a noticeable reduction in air and noise pollution during the festival week which ended with Bhaubeej on WednesdayFollowing a Bombay HC directive the BMC installed silencezone warning boards around the park a.