Advance ruling to be void in certain circumstances :

(1) Where the Authority or, as the case may be, the Appellate Authority finds that advance ruling pronounced by it under sub-section (4) of section 98 or under sub-section (1) of section 100 has been obtained by the applicant or, as the case may be, the appellant by fraud or suppression of material facts or misrepresentation of facts, it may, by order, declare such ruling to be void ab initio and thereupon all the provisions of the Act shall apply (after excluding the period beginning with the date of such advance ruling and ending with the date of order under this sub-section) to the applicant as if such advance ruling had never been made:

Provided that no order shall be passed under this sub-section unless an opportunity has been given to the applicant of being heard.

(2) A copy of the order made under sub-section (1) shall be sent to the applicant and the prescribed officers.