21. Licence to issue 1[electronic signature] Certificates.–(1) Subject to the provisions of sub-section (2), any person may make an application , to the Controller, for a licence to issue 1[electronic signature] Certificates.
(2) No licence shall be issued under sub -section (1), unless the applicant fulfil ls such requirements with respect to qualification, expertise, manpower, financial resources and other infrastructure facilities, which arc necessary to issue 1[electronic signature] Certificates as may be presc ribed by the Central Government.
(3) A licence 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.