Panchkula, Sept 29 (UNI) A viral video of two riders allegedly performing dangerous stunts on a bike and a scooter near the Chandimandir toll plaza on the Panchkula-Shimla highway has cost them Rs 45,000 in traffic challans, with police impounding both vehicles, a police spokesman said here today. One of the riders was found to be a minor, police said, adding that other stunt riders seen indulging in dangerous driving are also under watch. Commissioner of Police Pankaj Nain ordered action after taking note of the viral video and directed the traffic police to maintain regular surveillance to curb stunt…