law: 16. Vacancies, etc., not to invalidate proceedings of Adjudicating Authority.-
  No act or proceeding of the Adjudicating Authority shall be invalid merely by reason of-
  (a) any vacancy in, or any defect in the constitution of the Authority; or
  (b) any defect in the appointment of a person acting as a Member of the Authority; or
  (c) any irregularity in the procedure of the Authority not affecting the merits of the case.