What is a 'Certifying Authority' under IT Act, 2000? Explain the process for a person to become 'Certifying Authority'.

According to section 2(g) of Information Technology Act, 2000, "Certifying Authority" means a person who has been granted a license to issue Electronic Signature Certificates. Any person may make an application, to the Controller of certifying authorities, for a license to issue Electronic Signature Certificates provided he fulfills the Central Government prescribed requirements with respect to qualification, expertise, manpower, financial resources and other infrastructure facilities, which are necessary to issue electronic Signature Certificates. Every application for issue of a license shall be in made in form as prescribed by Schedule-I of Information Technology (Certifying Authorities) Rules, 2000 and the application shall be accompanied by a certification practice statement; A statement including the procedures with respect to identification of the applicant; Payment of fees of twenty-five thousand rupees and other documents, as prescribed by Information Technology (Certifying Authorities) Rules, 2000.