S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice- Limitation-Time limit of four years reduced to three years for all situations-Time limits of four years and six years from end of relevant assessment years specified under Act not affected Assessing Officer required to issue notice for reopening assessment under section 148 of new regime within limit of surviving period under Act read with 2020 Act- Notice dated 29-7-2022 issued beyond surviving period of 2-7-2022 for assessment year 2013-2014 barred by limitation-Order for issue of notice and notice and consequent assessment order quashed and set aside. [S. 144B, 147, 148, 148A(b), 148A(d), 149 (1), Income-tax Act, 1961, ss. 144B, 147, 148, 148A(b), (d), 149(1) Taxation and Other Laws (Relaxation and Amendment of Certain Provisions) Act, 2020, S. 3(1), Art. 226]