(7)The search shall be made in the presence, of the witnesses aforesaid and a list of all things seized in the course of such search and of the places in which they were respectively found shall be prepared by the authorised officer and signed by such witnesses; but no person witnessing a search shall be required to attend as a witness of the search in any proceedings under the Indian Income-tax Act, 1922 (11 of 1922), or the Act unless specially summoned.