Section 190(2) in The Delhi Municipal Corporation Act, 1957
(2)All money paid into the sinking funds shall, as soon as possible, be invested by the Commissioner in public securities and every such investment shall be reported by the Commissioner to the [a Corporation] [Substituted by Delhi Act 12 of 2011, section 2(a) for "the Corporation" (w.e.f. 13-1-2012)] within fifteen days.