The Airports Authority Of India Act,1994
9. Vacancies, etc., not to invalidate proceeding of the Authority.
No Act or proceeding of the Authority shall be invalid merely be 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.