Capricorn CA is an established DSC Certifying Authority that has helped a lot of individuals in starting their DSC business. Capricorn CA is an established DSC Certifying Authority that has helped a lot of individuals in starting their DSC business. Digital Signature Certificate helps you to sign all your digital document with no time waste. Capricorn Digital signature cannot be doctored or copied by any uncertified user. As per the latest CCA guidelines, only the Class 3 DSCs have become legal and valid to be used. A Digital Signature has validity from 1 to 3 years. The user can Buy DSC, or they can renew it before the certificate expires. Whenever we sign any document, we not only acknowledge the documents but also validate whether the documents belong to us or not. A Digital Signature Certificate helps in saving your time by signing all the documents digitally without any hassle. It is not only a digitized form of the handwritten signature, but it is also a secured data consisting of confidential information of the authorized user.