(1) The Controller may, if he is satisfied after making such inquiry, as he may think fit, that a Certifying Authority has, -
 (a) made a statement in, or in relation to, the application for the         issue or renewal of the licence, which is incorrect or false in         material   particulars;
 (b) failed to comply with the terms and conditions subject to         which   the licence was granted;
 (c) failed to maintain the standards specified under clause (b) of         sub-section (2) of section 20;
 (d) contravened any provisions of this Act, rule, regulation or         order   made thereunder;

revoke the licence:

Provided that no licence shall be revoked unless the Certifying Authority has been given a reasonable opportunity of showing cause against the proposed revocation.

(2) The Controller may, if he has reasonable cause to believe that there is any ground for revoking a licence under sub-section (1), by order suspend such licence pending the completion of any enquiry ordered by him:

Provided that no licence shall be suspended for a period exceeding ten days unless the Certifying Authority has been given a reasonable opportunity of showing cause against the proposed suspension.

(3) No Certifying Authority whose licence has been suspended shall issue any Digital Signature Certificate during such suspension.