(9)Notwithstanding any judgment, decree or order of any court, tribunal or other authority,--(a)no appointment, posting, promotion or transfer of any person--(i)made before the 1st day of November, 1956, to any post under the Government of, or any local authority within, the State of Hyderabad as it existed before that date; or(ii)made before the commencement of the Constitution (Thirty-second Amendment) Act, 1973, to any post under the Government of, or any local or other authority within, the State of Andhra Pradesh; and(b)no action taken or thing done by or before any person referred to in sub-clause (a), shall be deemed to be illegal or void or ever to have become illegal or void merely on the ground that the appointment, posting, promotion or transfer of such person was not made in accordance with any law, then in force, providing for any requirement as to residence within the State of Hyderabad or, as the case may be, within any part of the State of Andhra Pradesh, in respect of such appointment, posting, promotion or transfer.