The Goa, Daman and Diu Mining Concessions (Abolition and Declaration as Mining Leases) Act, 1987
5. General effect of declaring the mining concessions to be mining leases.-
(1) Where a mining concession has been deemed to be a mining lease under section 4, the concession holder shall, on and from the day mentioned in that section, be deemed to have become the holder of such mining lease under the Mines and Minerals Act in relation to the mine to which the mining concession relates, subject to the condition that the period of such lease shall, notwithstanding anything contained in that Act, extend up to a period of six months from the date of assent.
(2) On the expiry of the period of any mining lease under sub-section (1), it may, if so desired by the holder of such lease and on an application being made by him in accordance with the provisions of the Mines and Minerals Act and the rules made thereunder, be renewed on such terms and conditions, and up to the maximum period for which, such lease can be renewed under the provisions of that Act and the rules made thereunder.