Section 103(2) in The Dedicated Freight Corridor Railway General Rules, 2018
(2)the Loco pilot shall be given an authority (Form 3) authorising him to perform shunting in block section or obstruct the block section, and thereafter either come back or go to the station ahead. The authority shall either be -(a)conveyed or transmitted on secured means of communication by Station Master on duty in accordance with special instructions, or(b)delivered in writing in form 3 duly signed and stamped by Station Master on duty.
