Section 304(b) in The Delhi Municipal Corporation Act, 1957
(b)acquire in relation to any such land or building, all such land with buildings, if any, thereon as [a Corporation] [Substituted by Delhi Act 12 of 2011, section 2(a) for "the Corporation" (w.e.f. 13-1-2012)] may think expedient to acquire outside of the regular line, or of the intended regular line, of such street;