Section 227(1) in The Dedicated Freight Corridor Railway General Rules, 2018
(1)If any portion of a train, while in motion, becomes detached, the Loco pilot shall,-(a)the Loco pilot shall use his judgment to keep the front portion in motion, if possible, until the rear portion has been brought to a stand so as to avoid the chance of a collision between the two portions;(b)in case of derailment protect adjacent line, as in rule 223;(c)apprise the control and the Station Master in rear through approved means of communications;(d)in case there is banking or assisting locomotive behind, the Loco pilot shall sound the prescribed code of whistle to inform the Loco pilot of a banking or assisting locomotive, and(e)in automatic signal territory the Station Master/Controller shall alert the Loco Pilot immediately following the affected trains.