Policeman seen riding bike with special number plate fined in UP

A policeman seen riding a bike with a special number plate was fined ₹5,000 by Uttar Pradesh's Ghaziabad Traffic Police after a social media user shared his picture. Does the police have special power to keep this type of number plate? By the way, for the general public, the fine is ₹5,000," the user wrote along with the picture.