Section 194(4)(c) in The Dedicated Freight Corridor Railway General Rules, 2018
(c)the clearance of fouling mark in rear shall be verified and confirmed by loco pilot when asked for by the station master by comparing the length of his train recorded on the consist with the clear standing length written below the starter signal or on the stop board when end of train telemetry is functional. In case end of train telemetry is not functioning the station master shall verify clearance of fouling mark in rear physically.