S. 148A : Reassessment-Conducting inquiry, providing opportunity before issue of notice-Audit objection-Limitation-Amended provisions of section 149 apply to notices issued after 1-4-2021 even for earlier assessment years-Notice issued within six years not barred-Audit objection must clearly state that assessment was not made in accordance with Act-Reopening valid only to limited issues supported by definite audit objection-Matter remanded. [S. 147, 148, 148A(b), 148A(d), 149, Art. 226]