Section 3(3)(a) in The Delhi Development Authority Act, 1957
(a)a chairman who shall be the [Lieutenant Governor] [ Substituted for "Administrator" by Act 36 of 1996, w.e.f. 21.12.1996.] of the [National Capital Territory of Delhi] [Substituted for "Union Territory of Delhi" by Act 36 of 1996, w.e.f. 21.12.1996.], ex officio;