(7)(a)No educational, religious or charitable institution or society or trust, of a public nature, capable of holding property, formed for an educational, religious or charitable purpose shall hold land except where the income from the land is appropriated solely for the institution or the society or the trust concerned. Where the land is so held by such institution, society or trust, the ceiling area shall be twenty units.(b)If any question arises whether the income from the land is solely appropriated for the institution, society or trust, it shall be decided by the prescribed authority. The decision of the prescribed authority shall be final. Where the prescribed authority decides that the income is not so appropriated, the land held by the institution, society or trust shall be deemed to be surplus land and the provisions of sections 66 to 76 shall, so far as may be, apply to the surrender to and vesting in the State Government of such land. The provisions of this sub-section shall have effect notwithstanding anything in this Act.