(3)Notwithstanding anything contained in sub-sections (1) and (2), an order of fresh assessment in pursuance of an order passed under section 15, section 16, section 19 or section 20, setting aside or cancelling an 'assessment, may be made at any time before the expiry of two 'years from the end of the financial year in which the order under section 15 or section 16 is received by the Commissioner or, as the case may be, the order under section 19 or section 20 is passed by the Commissioner.