Section 97(2) in The Dedicated Freight Corridor Railway General Rules, 2018
(2)(a)The line clear ticket (Form No. 2) whether conveyed or transmitted as text or delivered by hand shall, except under special instructions, be prepared in the form 2 separately for Up and Down directions-(b)Each such ticket shall further bear a serial number which shall be recorded in the train signal register, the numbers for the Down direction being clearly distinguished from those for the Up direction for each of the section in accordance with the special instructions.(c)Each such ticket shall be printed on white paper with blue font. To distinguish paper line clear ticket for up and down directions, water mark arrow pointing "UP" and "DOWN" shall be printed on the ticket.
