No act of 1[any Institute] or Governing Council or Senate or any other authority, set up under this Act or the Statutes, shall be invalid merely by reason of—
(a)any vacancy in, or defect in the constitution thereof; or
(b)any defect in the election, nomination or appointment of a person acting as a member thereof; or
(c)any irregularity in its procedure not affecting the merits of the case.