So we may read article 31A(1) to the extent relevant: 820 "31A. Saving of laws providing for acquisition of estates, etc : (1) Notwithstanding anything contained in article 13, no law providing for (a) the acquisition by the State of any estate or of any rights therein or the extin guishment or modification of any such rights, or (b) the taking over of the management of any property by the State for a limited period either in the public interest or in order to secure the proper management of the property, or (c) the amalgamation of two or more corpo rations either in the public interest or in order to secure the proper management of any of the corporation, or (d) the extinguishment or modification of any rights of managing agents, secretaries and treasurers, managing directors, directors or managers of corporations, or of any voting fights of shareholders thereof, or (e) the extinguishment or modifications of any rights accruing by virtue of any agree ment, lease or licence for the purpose of searching for, or winning, any mineral or mineral oil, or the premature termination or cancellation of any such agreement, lease or licence, shall be deemed to be void on the ground that it is inconsistent with, or taken away or abridges any of the rights conferred by Arti cle 14, Article 19 or Article 31; Provided that where 'such law is a law made by the Legislature of a State, the provisions of this article shall not apply thereto unless such law, having been reserved for the consideration of the President, has received his assent: Provided further that where any law ,makes any provision for the acquisition by the State of any estate and where any land comprised therein is held by a person under his personal cultivation, it shall not be lawful for the State to acquire any portion of such land as is within the ceiling limit applicable to him under any law for the time being in force or any building or structure standing thereon or appurtenant thereto, unless the law relating to the acquisition of such land, building or structure, provides for payment of compensation at a rate which shall not be less than the market value thereof.