Why DSC for GST
Why Is DSC Mandatory for GST Registration & Filing?
The GST portal (gst.gov.in) mandates Digital Signature Certificate for two key purposes: new GST registration by companies and signing certain GST returns and forms. Under GST rules, a DSC is legally equivalent to a physical signature on all portal submissions.
⚠️ Important: While individuals and proprietors can use OTP-based login, Private Limited companies, LLPs and other body corporates are mandated to use DSC for GST registration applications and annual return (GSTR-9) filings.
Taxpayer Type
DSC Required?
Status
Private Limited Company
✅ Mandatory
Required for all GST filings
LLP / Partnership Firm
✅ Mandatory
Required by GST rules
Individual / Proprietor
⚠️ Recommended
OTP or EVC also accepted
CA / Tax Practitioner
✅ Recommended
For audit reports (GSTR-9C)
GST DSC Quick Facts
DSC Type RequiredClass 3 Individual
Portalgst.gov.in
Who Must UseCompanies, LLPs, Firms
Price₹840 + GST = ₹991
With Token₹1,581 all-in
Issuance Time15 Min · BBD Bagh
Validity1 / 2 / 3 Years
Where DSC Is Used on GST Portal
GST Portal Forms & Filings That Require DSC
🆕
New GST Registration
REG-01 application — mandatory for companies and LLPs. DSC required at submission stage.
Mandatory (Companies)
📋
GSTR-9 Annual Return
Annual return filing — companies must use DSC for signing. CA files on behalf of company.
Mandatory (Companies)
📊
GSTR-9C Reconciliation
Audit certification by CA — DSC of CA mandatory for self-certified reconciliation statement.
Mandatory (CA)
✏️
GST Amendments
Core field amendments, registration cancellation and revocation applications for companies.
Mandatory (Companies)
💼
ITC Claims / Reversal
Input Tax Credit reversal applications and special refund filings requiring authorised signature.
Recommended
🏛️
GSTR-1 / GSTR-3B
Monthly/quarterly returns — OTP accepted for individuals; DSC recommended for company accuracy.
Recommended
Documents
Documents Needed for GST DSC
👤 Individual / Proprietor
- PAN Card (original)
- Aadhaar Card (original)
- Aadhaar-linked mobile (for OTP)
- GST Registration Number (GSTIN)
✅ Most common. Walk-in at BBD Bagh with PAN + Aadhaar — done in 15 minutes.
🏢 Company / LLP / Firm (Authorised Signatory)
- PAN Card of authorised signatory
- Aadhaar Card of authorised signatory
- Aadhaar-linked mobile (OTP)
- Company Registration Certificate (COI/CRC)
- Authorisation Letter on company letterhead
💡 For company GST filings, the DSC of the authorised signatory registered on GST portal must match.
Pricing
DSC for GST — Price & Validity Options
Validity
Base Price
+GST Total
With Token
Apply
💡 Reuse token: Already have a Proxkey/HYP ePass? Load the new DSC free — save ₹590.
FAQ
DSC for GST Registration & Filing — FAQ
DSC is mandatory for Private Limited companies, LLPs and other body corporates registering on the GST portal. Individual taxpayers and proprietors can use OTP (EVC) or DSC. However, for GSTR-9 annual returns and GSTR-9C audit, DSC becomes mandatory for companies.
Class 3 Individual DSC is sufficient for GST portal. The DSC must be registered under the same PAN as the authorised signatory on the GST registration. Individual DSC (Sign only) is accepted — you don't need Org Combo DSC for GST.
After getting your DSC from our BBD Bagh office, plug the USB token into your computer, install the Proxkey drivers, and go to GST portal → My Profile → Register/Update DSC. We test this on the portal before you leave our office.
This usually means your DSC has expired or there's a driver issue. Walk-in at our BBD Bagh office — we diagnose and fix in 15 minutes. If expired, renewal costs ₹840+GST with no new documents needed if your details are unchanged.
Yes. Chartered Accountants filing GSTR-9C (reconciliation statement) must use their own Class 3 DSC. The CA's DSC must be registered on the GST portal as an authorised representative of the client company.
Apply Now
Two Ways to Get Your DSC Today
Related
Other DSC Services
Get Your GST DSC Today — 15 Min at BBD Bagh
Class 3 Individual · ₹840+GST · No hidden charges · Portal registered before you leave