(1) A Certifying Authority may revoke a Digital Signature Certificate issued by it--
         (a) where the subscriber or any other person authorised by him makes a request to that effect; or
         (b) upon the death of the subscriber; or
         (c) upon the dissolution of the firm or winding up of the company where the subscriber is a firm or a company.
     (2) Subject to the provisions of sub-section (3) and without prejudice to the provisions of sub-section (1), a Certifying Authority may revoke a Digital Signature Certificate which has been issued by it at any time, if it is of opinion that--
         (a) a material fact represented in the Digital Signature Certificate is false or has been concealed;
         (b) a requirement for issuance of the Digital Signature Certificate was not satisfied;
         (c) the Certifying Authority's private key or security system was compromised in a manner materially affecting the Digital Signature Certificate's reliability;
         (d) the subscriber has been declared insolvent or dead or where a subscriber is a firm or a company, which has been dissolved, wound-up or otherwise ceased to exist.
     (3) A Digital Signature Certificate shall not be revoked unless the subscriber has been given an opportunity of being heard in the matter.
     (4) On revocation of a Digital Signature Certificate under this section, the Certifying Authority shall communicate the same to the subscriber.