Section 2(1)(k) in The Delhi Metro Railway (Operation And Maintenance) Act, 2002
(k)"metro railway official" means any person employed by the Central Government or by a metro railway administration in connection with the services of a metro railway;(ka)[ "National Capital Region" means the National Capital Region as defined in clause (j) of section 2 of the National Capital Region Planning Board Act, 1985;] [Inserted by Act No. 34 of 2009.]