The correct option is D all of the above
Section 58 of the IT Act, 2000, provides the procedure and powers of the Cyber Appellate Tribunal which says that the tribunal is not bound by the procedure laid down by the Code of civil Procedure, 1908 but shall be guided by the principles of natural justice and, subject to the other provisions of this Act and of any rules. Also, the Cyber Appellate Tribunal shall have powers to regulate its own procedure including the place at which it shall have its sittings.