Section 131(1) in The Dedicated Freight Corridor Railway General Rules, 2018
(1)Whenever it is necessary to provide block protection prescribed by these rules or is dictated by itself in the interest of safety of trains and men, Station Master on duty shall block back or block forward the block section under exchange of private number message after confirming from the Station Master at other end that the block section is clear of all trains after tallying the train number of the last train.
