4. (1) No dealer shall be entitled to registration under sub-section (1) of section 3 as of right, and registration may be refused, or, if granted, may be suspended or cancelled for any one of the following reasons, that is to say,-(a) for contravening or failing to comply with any provision of this Ordinance, or the rules or orders made thereunder;(b) for contravening or failing to comply with any condition imposed by the Controller-General ¹[or, as the case may be, the Chairman] at the time of registration under section 3;(c) for under-invoicing or over-invoicing the value of imports or exports of tea;(d) for obtaining or attempting to obtain registration under this Ordinance by fraudulent means or wilful misrepresentation;(e) for indulging in activities which in the opinion of the Controller-General ²[or, as the case may be, the Chairman] are detrimental to public interest. (2) Any person aggrieved by an order under sub-section (1) may appeal against the order to the Government, within such time as may be prescribed, and the order of the Government thereon shall be final.