Section 158(1) in The Dedicated Freight Corridor Railway General Rules, 2018
(1)No locomotive or self-propelled vehicle shall push any train outside station limit except with special instructions and at a speed not exceeding twenty five kilometers per hour.Provided that this sub-rule shall not be applied to a train, the leading vehicle of which is equipped with driving apparatus and which may be operated under special instructions.Provided further that this sub-rule shall not apply to a locomotive assisting in the rear of a train, which may be permitted under special instructions to run without being coupled.Provided also that no train which is not equipped with continuous brake shall be pushed outside station limit except in case of emergency.Provided further that a 'patrol 'or 'search light' special with one or more vehicles in the front, may be permitted to run at a maximum speed of forty kilometre per hour.
