Section 51(11) in The Delhi Metro Airport Express Line, General Rules, 2010
(11)The other security staff shall be positioned at the front end of the rear divided train portion and the assisting Station Controller shall, then, drive the rear portion of the train from the shunting position of the assisting train with utmost caution and with the security staff keeping a look out at the front, maintaining continuous communication with the traffic controller and the train shall be driven to the next station at a speed not exceeding ten kilometer per hour in any case.
