Section 51(8) in The Delhi Metro Airport Express Line, General Rules, 2010
(8)The train operator of the following train shall drive his train in Coded Manual mode as far as the signaling permits, thereafter the traffic controller shall instruct the train operator to drive the train under Restricted manual mode and proceed at reduced speed as near to the divided train as possible and stop and the Station Controller and the security staff shall then leave the train from the front and board the divided train.
