Chennai Traffic Police — Police hit me

Today i was in the butt road signal i was going to my office it was regular route my office was located behind the signal, today was crossing this signal today many bikes was crossed the barrier gates cos heavy traffic today i was also followed the same wrong way but, police women con stable was right there blocked my bike only, hit me in my hands angerly, gave me bill to pay 500rs online, i was asked only one question i was stopped my bike why you had been hit me angerly, i know i was in the wrong route but i was followed the vehicles came before me she haven't blocked all the bikes who had crossed the barrier gates except. i don't know it is right or not i' am complaining this to get know the rule what is right, what is wrong is the traffic police man or women have a right to hit a civilian. they gave me a bill to pay my fine right ill pay for my wrong but why the hit me, what is the fine for that, is rule for everyone everybody has to follow that is few of them not following the rule the police have to take action of that few people who has not obeying, showing a anger to a single person is not a right way to conveying government rules