The correct option is B Chandigarh
Chandigarh has become the North Indias first city to install digital automatic speed gun cameras for traffic management. The high-tech speed cameras are equipped with night vision technology and will record the speed of oncoming traffic, helping Chandigarh Police to issue challans to anyone driving above the city speed limits. Not only this, the advanced cameras are installed with digital display to beware motorists of overspeeding. If the speed is above the permissible limit, the digital display will warn the driver with a white light. If, and when, a motorist breaks the law, a Challan will be sent to the driver along with the image of overspeeding.