There are three classes of Digital Signature CertificateClass 1 - This class type is used to secure email communications and shall be issued for both business personnel and private individual use.Class 2 - This class type is used for Incorporation of entities, Business Registrations, Income Tax Filing, etc.These certificates will confirm that the information in the application provided by the subscriber does not conflict with the information in well-recognized consumer databases.Class 3 - This class type is used for participating in E-Tendering or E-Auctions. These are high assurance certificates, primarily intended for e-commerce applications, they shall be issued to individuals only on their personal (physical) appearance before the Certifying Authorities.