Digital Signature Certificate (DSC)
Digital Signature Certificate (DSC)
A Digital Signature Certificate (DSC) is the electronic equivalent of a physical signature, used to authenticate the identity of individuals or organisations in online transactions. DSC is issued by government-approved Certifying Authorities (CAs) and is mandatory for filing documents with MCA, Income Tax, GST, and various other government portals.
Key Highlights
Legally valid under the Information Technology Act, 2000
Mandatory for company incorporation (SPICe+), MCA filings, ITR e-filing, and GST registration
Three classes: Class 1 (email verification), Class 2 (identity + address verification – most common), Class 3 (highest security for e-tendering)
Validity: 1 or 2 years (renewable)
Now issued via Aadhaar-based eKYC or video verification for faster processing
Documents Required
- PAN Card
- Aadhaar Card
- Passport-size photograph
- Email ID and mobile number
- Video verification or Aadhaar OTP for eKYC
Process
1
Step 1: Apply through a government-recognised Certifying Authority
2
Step 2: Submit identity and address proof
3
Step 3: Complete Aadhaar eKYC or video verification
4
Step 4: DSC is issued and delivered (USB token or paperless format)
5
Step 5: Install DSC on your system for use in filings
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