Circular No. 424-Income Tax In exercise of the powers conferred by sub-section (2A) of section 4 of the Estate Duty Act, 1953 (34 of 1953), and in partial modification of all previous notifications and orders on the subject, the Central Board of Direct Taxes hereby directs that the Commissioners of Income-tax (Appeals) appointed as Appellate Controllers of Estate Duty shall exercise their powers in respect of