Section 8(4)(i) in The Delhi Metro Railway (Prohibition of Carriage of Large-Sized Luggage, Carriage of Offensive and Dangerous Goods in the Metro Railway, Travelling of Persons Suffering From Infectious and Contagious Diseases in the Metro Railway and Value, Period of Validity and Such Other Particulars Indicated in the Ticket Issued by the Metro Railway) Rules, 2002
(i)Blue token shall be captured at the end of the journey in the system provided at the exit gate. Fare paid shall be encoded on the blue token and its period of validity shall be one day.