(1)Notwithstanding anything contained in this Act, where immediately before the date of vesting of the estate or tenure there is a subsisting lease of mines or minerals comprised in the estate or tenure or any part thereof, the whole or that part of the estate or tenure comprised in such lease shall, with effect from the date of vesting, be deemed to have been leased by the State Government to the holder of the said subsisting lease for the remainder of the term of that lease, and such holder shall be entitled to retain possession of the lease hold property.