6. Save as otherwise provided in this Ordinance, no suit or other legal proceedings shall lie before any Court for- ¹[(a) specific performance of contract in respect of any building the possession of which has been taken by the Government as abandoned property under the President's Order or in respect of which notice for taking possession by the Government as abandoned property under that Order has been issued, or] (b) a declaration that a building is not an abandoned property and has not vested in the Government under the President's Order or the right or interest of any person in any building has not been affected by the provisions of that Order, or(c) a direction to the Government or to any officer or authority subordinate to it to restore, return or transfer any building the possession of which has been taken by the Government as abandoned property under that Order to any person.