Section 65(f) in The Dedicated Freight Corridor Railway General Rules, 2018
(f)when the key of relay rooms or centralised electronic interlocking room is handed over to the maintenance staff of signal department on duty at the time of any failure or maintenance of signal and telecommunication gears, the station master on duty shall despatch and receive the train in accordance with rule prescribed for reception and despatch of trains at the time of failure of signal or points; and
