(6)The authorised officer may, during the course of any search or seizure, examine on oath any person who is found to be in possession or control of any books of account or other documents, or asset, or any information in electronic form or on a computer system or having access to such computer system or any other person who is present in the premises or is being searched, and––(a)any statement made by such person, during such examination may thereafter be used in evidence in any proceeding under the Income-tax Act, 1961 or this Act; and(b)the examination of any such person may not be merely in respect of any books of account or other documents, or any information in electronic form or on a computer system, or assets found as a result of the search, but also in respect of all matters relevant for the purposes of any investigation connected with any proceeding under the Income-tax Act, 1961 or this Act.