law: Information Technology Act, 2000
  21. License tissue Digital Signature
  
  Certificates. – 
  (1) Subject to the provisions of sub-section 
  
  (2), any person may make an application to the Controller for a license to issue 
  
  Digital Signature Certificates.
  (2) No license shall be issued under sub-section
  
  (1), unless the applicant fulfills such requirements with respect to
  
  qualification, expertise, manpower, financial resources and other
  
  infrastructure facilities, which are necessary to issue Digital Signature
  
  Certificates as may be prescribed by the Central Government.
  (3) A license granted under this section
  
  shall- 
  (a) be valid for such
  
  period as may be prescribed by the Central Government;
  (b) not be
  
  transferable or heritable;
  (c) be subject to such
  
  terms and conditions as may be specified by the regulations.