Section 62(2) in The Delhi Metro Railway (Operation And Maintenance) Act, 2002
(2)No person shall paste or put up any poster or write or draw anything or matter in any compartment or carriage of the metro railway, or any premises thereof, without any lawful authority and any person found engaged in doing any such act may be remove from the compartment, carriage or premises by any metro railway official authorised by the metro railway administration in this behalf.
