S. 147 : Reassessment-Special category states-Assessing Officer applied his mind-Proceeding to reopen assessment was actuated merely by a change of opinion and, hence, impugned notice was set aside-Time limit to issue of notice-Sanction obtained satisfaction of Additional Commissioner, an authority who is not covered by provision of section 151(1), as it stood on 1-1-2019, proceeding initiated against assessee-Issuance of notice under section 148 is held to be not in accordance with law-SLP of Revenue is dismissed on account of gross delay of 294 days. Revenue could not explain the delay satisfactorily.[S. 80IC, 148, 149, 151(1), Art.136]