Section 21 in The Delhi Metro Airport Express Line, General Rules, 2010
21. Absence of cab signalling.
(1)Failure of the cab signalling shall initiate an irrevocable emergency brake application.(2)The train operator shall report the occurrence to the Traffic Controller and seek instructions.(3)The traffic controller shall verify as far as practicable from indications on his diagram that the problem is not caused by a track side fault or another train and if no cause is apparent, he shall instruct the train operator to select the Restricted Manual mode and try to move ahead exercising utmost vigilance so, that he may stop short of any obstruction.(4)If the train still does not move, the traffic controller shall authorise the train operator to operate the Cut Out switch and to proceed in Cut Out mode of control to the next station exercising utmost vigilance so, that he may stop short of any obstruction.(5)At the next station, passengers shall be detrained and the train worked to depot or a suitable siding.
