A digital certificate is an electronic "credit card" that establishes your credentials when doing business or other transacti*** on the Web. Digital Certificates are issued by listed and licensed Certification Authority (CA). 
Digital Signature Certificate contains your name, a serial number, expiration dates, a copy of the certificate holder's public key (used for encrypting messages and digital signatures), and the digital signature of the certificate-issuing authority so that a recipient can verify that the certificate is real. Digital Signature Certificates can be used for eFiling of Income Tax Returns, eTendering in India on Government Websites such as Indian Railway Catering and Touri*** Corporation, and also Director General of Foreign Trade, Ministry of Corporate Affairs and Registrar of Companies Applicati***.
ELA Technologies provides Digital Signature Certificate of Licensed Certifying Authoritie's (CAs) Sify SafeScrpt. Digital Certificate provided by us comply to DSC Interoperability Guidelines by Controller of Certifying Authorities and Digital Signature Certificate issued by us is 2048/256 bits encryption which is trusted by 99.9% browsers.