Section 65(2)(ii) in Tamil Nadu Land Reforms (Fixation of Ceiling on Land) Rules, 1962
(ii)If the land proposed to be acquired by the public trust is required for future expansion of any existing educational institution or hospital by way of addition to, alteration of, or improvement to, any educational institution or hospital, the land shall be fully utilised for such expansion within such period as the Government may, from time to time, by general or special order, specify. In the absence of such an order, the land shall be utilised for such expansion within a period of five years from the date of the order granting permission;