Ranchi Traffic Police — giving wrong act challan and asking for bribe

Address:

Ranchi, Jharkhand, 834009

I am ARWIND KUMAR VERMA and I am fined with an amount of Rs 500 against section 179 (1) or (2) at Rims Chowk, Bariatu Road. ChallanNo - F4UR4ZPFYX and Vehicle Registration No - JH02AW8081 dated 11/27/2018 10:35:24 AM.
This is my first offence and i have already told my information as well as shown my all related document inspite of they added section 179 (1) or (2).Which act is stand for hiding information.
My fault is only bike no. Is not written in no. Plate but they didn't make challan related to this act .
They were asking for Rs 5000 challan for not printing the no. On no. Plate they convince to pay only 2500 as a bribe and go.
Lastly they make challan of 500 and take 500 as a bribe.
What is the condition of ranchi traffic police...?
I don't remember traffic police name but concerned traffic police details can be fetched from challan datails.