S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice-Before passing order under S. 148A(d) the Officer ought to give a personal hearing if requested for by the assessee-Grant of approval by PCIT without application of mind to the form of approval-Order and notice liable to be set aside. [S. 148, 148A(b), 148A(d),149(1)(b), 151 Art. 226].