Section 8(1)(b) in The Punjab Motor Vehicles Taxation Act, 1924
(b)fails to stop the motor vehicle when required to do so by the said Officer or obstructs any officer in the exercise of the powers conferred by Section 14-B, shall on conviction be punishable with fine, which may extend to a sum equal to twice the average monthly tax payable, in respect of such vehicle, or rupees five thousand, whichever is more.