Collector to take possesion after making an award and transfer land to Corporation.

When the Collector has made an award under section 11 of the Land Acquisition Act, as applied by this Act, he may take possession of the land which shall thereupon vest absolutely in Government free from all encumbrances, and the Collector shall, upon payment of the cost of the acquisition, make over charge of the land to the Commissioner and the land shall thereupon vest in the Corporation subject to the liability of the Commissioner to pay on behalf of the Corporation any further costs which may be incurred on account of the acquisition of the land. Levy of betterment charges.