Class 3A Individual User Digital Signature Certificate represents to any individual person who can obtain DSC with his personal details. Personal ID & Address Proof need to be submit to buy Class 3A Digital Signature along with duly filled & ink signed application form.ITR eFiling, ROC , MCA21, GST Registration, VAT / Service Tax Return Filing, Fresh IEC Registration, Trademark eFiling , Patent eFiling, Provident Fund eFiling, IRCTC eTicketing, eTendering , Form 16/ 16A, Document Signing, eMail Signing, Bulk Document Signing and many more applications currently require a individual user digital signature certificate.To Obtain Class 3 Digital Signature also, applicant need to go through Video Verification & Phone Verification except aadhaar biometric metric enrollment to ensure that user had applied DSC with his / her consent. Class 3 DSC can be downloaded on FIPS Certified USB Tokens ONLY for providing more security to DSCs.In Class 3 Individual User also signing & encryption certificates can be issued as per requirement. Most popular certificate is Signing ONLY Certificate.