S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice-Where High Court, while issuing notice in writ petition, permitted assessment proceedings to continue but directed that final assessment order, if passed, shall not be given effect to till disposal of writ petition-High Court ultimately quashing notice under section 148A(b), order under section 148A(d) and notice under section 148-Assessee stating before Supreme Court that it intended to challenge completed assessment order on merits independently and not on grounds urged in writ petition-Revenue’s appeal held not required to be examined and dismissed. [S. 147, 148, 148A(b), 148A(d), Art. 136]