Section 242(4) in The Dedicated Freight Corridor Railway General Rules, 2018
(4)if the place of work is situated in the automatic signalling territory, and if the distance between the place of obstruction and the automatic signal controlling the entry of the train into the signalling section concerned is less than twelve hundred meters and provided the automatic signal has been secured at 'ON' the caution indicator referred in clause (a) of sub-rule (2) may be dispensed with.
