Buy digital signature online is a dedicated portal for Digital Signature Certificates (DSC) (Est. 2013). We are one of the largest digital signature service providers in India who sold more than a million DSC across the country. Class 3 Digital Signature Certificate (DSC) carry out supreme level of reliability and credibility in RCAI hierarchy system of Controller of Certifying Authorities (CCA) in India that is majorly utilized e-Tendering and e-Procurement. Class 3 Digital Signature Certificate can be issued to any individual as well as organizations. Class3 DSC is generally utilized to verify the identity of suppliers and buyers both in e-bidding, e-procurement, e-Tendering etc. Class 3 Digital signature certificates are high level of certificate which is mainly issued on the physical appearance of any individual in front of certifying authority. Class 3 DSC is valid for only 1 year or 2 years. When you do any e-filing on MCA web portal then class 3 Digital signature certificates is required to authenticate the identity of the applicant.