Section 188(3) in The Dedicated Freight Corridor Railway General Rules, 2018
(3)Action to be taken by station master on duty in case the loco pilot fails to whistle or loco pilot fails to exchange "all-right" signal,-(a)the station master on duty shall immediately ascertain the cause of not exchanging all right signal from the loco pilot through secured means of communication, in case he is unable to contact the loco pilot, he will advise the Station in advance and to the controller;(b)the station master on duty in advance on receiving such advice shall take steps, as far as possible, to receive such train on main line and also set the route onwards, stop all other movement via or near the line on which it is being received but reception signal shall not be taken 'OFF' until the cause of not exchanging all right signal from the Loco pilot through approved secured means of communication have been ascertained and in case he is not able to contact the loco pilot, the train shall be declared a runaway train and action taken as advised by the controller.