Section 111(2) in The Delhi Municipal Corporation Act, 1957
(2)For the purposes of sub-section (1), the [a Corporation] [Substituted by Delhi Act 12 of 2011, section 2(a), "for the Corporation" (w.e.f. 13-1-2012)] may either diminish the sanctioned expenditure of the year so far as it may be possible so to do with regard to all the requirements of this Act, or have recourse to supplementary taxation under section 151 or to an increase of the rates of cesses, fees, fares and other charges leviable under this Act, or to adopt all or any of those methods.