Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Act, 1996
21.Vacancies, etc.Not to invalidate proceedings of the Boards.- No act or proceedings of a Board shall be invalid merely by reason of---
(a) any vacancy in, or any defect in the constitution of, the Board; or
(b) any defect in the appointment of a person acting as a member of the Board; or
(c) any irregularity in the procedure of the Board not affecting the merits of the case.