Guwahati, March 15: Assam Industries and Commerce Minister Chandra Mohan Patowary today stated on the floor of the Assam Legislative Assembly that virtually all the Public Sector Undertakings (PSUs) under the State Government have closed down. He informed the House that so far as the properties of the closed PSUs, primarily land, are concerned, the same will be taken over by the proposed land bank to be set up by the Industries and Commerce department of the State. The Minister was replying to a query on the issue raised by AGP MLA Pabindra Deka.