Section 147(4) in The Dedicated Freight Corridor Railway General Rules, 2018
(4)In case of stabling of full load,-(a)a minimum of six wagons at each end, in a load of upto sixty vehicles, shall be secured by either applying hand brakes by assistant Loco pilot or secured with at least two safety chains one at either end fastened to the rail and padlocked by the Station Master. Further at least four sprags or wooden wedges be used, two each below the outermost pair of wheels. In case the load exceeds sixty vehicles it shall be treated as two separate loads;(b)the vehicles of stabled load shall be coupled together. In case, the stabled load has to be split for any reason and also in case of a long haul train each split part shall be treated as a separate load for the purpose of securing;(c)when stabled on a running line, action as in sub-rule (2) (c) shall also be taken and remarks made in train signal register in red ink to the effect that is blocked.(d)a full train shall not be stabled on a running line having gradient more than one in four hundred; and(e)in case of stabling of train with locomotive attached or stabling of light engine before shutting down the locomotive, the Loco pilot shall additionally ensure that every given brake, including hand brake and parking brake have been applied, and locomotive secured with wooden wedges.