The Copyright Board may, after giving the licensee an opportunity of being heard, cancel the licence on any of the following grounds, namely:—
(a) that the licensee has failed to produce and publish such work within the time specified in the licence or within the time extended on the application of the licensee;
(b) that the licence was obtained by fraud or misrepresentation as to any essential fact;
(c) that the licensee has contravened any of the terms and conditions of the licence.