S. 154 : Rectification of mistake-Mistake apparent from the record-Designated authority-Certificate in Form 5 was issued–Scope of section 154 was limited to amend any order passed by Assessing Officer under provisions of Income-tax Act, 1961 and it would not be extended to sit over order passed and declaration issued by designated authority under section 5 of DTVSV Act-Order passed by Assessing Officer under section 154 was set aside [S.132(IA), Direct Tax Vivad se Vishwas Act, 2020 Form No 5, Art. 226]