The relevant provisions in article 31 A for present purposes aref these: " 31 A (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 extinguishment or modification of any such rights, or (b). . . . (c). . . . 949 (d). . . . (e). . . . shall be deemed to be void on the ground that it is in consistent with or takes away or abridges any of the rights conferred by article 14, art 19 or article 31 ; Provided. . . (2) In this article (a) the expression ' estate ' shall, in relation to any local area, have the same meaning as that expression or its local equivalent has in the existing law relating to land tenures in force in that area, and shall also include any jagir, inam or muafi or other similar grant and in the States of Madras and Kerala any janmam right; (b) the expression 'rights ' in relation to an estate shall include any rights vesting in a proprietor, sub proprietor, under proprietor, tenure holder, raiyat, under raiyat or other intermediary and any rights or privileges in respect of land revenue ".