Government on such activity, the Minister may, from time to time, by Order, direct that such sums as he may deem necessary to meet such expenditure shall be payable by way of advances, out of the Consolidated Fund or any other fund or moneys, of or at the disposal of the Government, so however that the aggregate of the sums so advanced shall not exceed the maximum limit of expenditure specified in the corresponding entry in Column II of that Schedule. Any sum so advanced in respect of such activity shall be refunded to the Consolidated Fund in such manner, as the Minister may by Order direct.