Certain action of the Government previous to passing of this Act to be deemed to have been taken hereunder.

    Whenever any obstruction in a fairway leading to a port in ¹[the territories which, immediately before the 1st November, 1956, were comprised in Part A States and Part C States] has been removed or destroyed, or whenever the creation of any such obstruction has been regulated or prohibited, by an order of the Central Government or a State Government, previous to the passing of this Act, such removal, destruction, regulation or prohibition shall be deemed to have been effected under this Act.