Section 427(1) in The Delhi Municipal Corporation Act, 1957
(1)Every improvement scheme shall, as soon as may be after it has been framed, be submitted by the Commissioner for approval to [a Corporation] [Substituted by Delhi Act 12 of 2011, section 2(a) for "the Corporation" (w.e.f. 13-1-2012)] and [a Corporation] [Substituted by Delhi Act 12 of 2011, section 2(a) for "the Corporation" (w.e.f. 13-1-2012)] may either approve the scheme without modifications or with such modifications as it may consider necessary or reject the scheme with directions to the Commissioner to have a fresh scheme framed according to such directions.