Section 188(4) in The Dedicated Freight Corridor Railway General Rules, 2018
(4)(a)If station master on duty fails to exchange "all-right" signal the loco pilot shall advise the controller on secured means of communication or to the next station;(b)on receiving such information the controller shall call the station master on duty of station where all right signal were not exchanged to verify his availability. If the station master on duty does not respond all train movement shall be stopped and emergency procedures shall be invoked as prescribed in these rule.
