Class 3 signing costs ₹1,040 for 1 year, ₹1,200 for 2 years or ₹1,820 for 3 years. The USB e-token is ₹550 more if you do not have one.
Answer
Taxpayers who sign an ITR or an audit report register a Class 3 DSC on the Income Tax e-Filing portal, in their own name or in the name of the firm. Chartered accountants use the same kind of certificate to sign Form 3CA and 3CB with 15CA and 15CB. We fill and submit the application for you; you do the Aadhaar OTP and video KYC with the Certifying Authority, which issues the certificate. Application support is included in the price.
The certificate behind tax and company filings
What a Class 3 signing certificate is, which portals ask for one, and how long it stays valid.
Who needs this
Taxpayers filing an ITR that has to be signed digitally
Chartered accountants signing tax audit reports
CAs and auditors filing Form 15CA and 15CB
Firms signing on behalf of a company or a client
Documents required
PAN card, name as per income tax records
Aadhaar card, linked to that PAN and to the mobile. Photo and ID are captured live in the CA's video KYC.
Email ID and mobile number for the DSC record
For a firm: the authorisation letter and the registration documents of the firm
Process
Send us your documents
Send your contact details and documents on WhatsApp, by email or at our Udaipur office, and we fill the application.
Complete payment
Pay for the DSC and any add-ons
We submit, you do the KYC
We file the application with the Certifying Authority. You then confirm your mobile and email with OTPs, do the Aadhaar OTP and video KYC with them, and a final eKYC OTP on your phone approves the application. We assist you at every step.
Receive token and register on the portal
Get the USB token by courier (or use your own FIPS 140-3 token), then register the certificate under Profile and Manage DSC on the e-Filing portal, and sign the return or the report with the DSC Management Utility.
Price
Class 3 signing
Individuals, directors, CAs
Tax and company filings, EPFO, tenders and GeM, trademark and reissue.
Not for every ITR. A return filed without a DSC needs an OTP on the Aadhaar-linked mobile, so a DSC is what you use when the return is large, when you are signing an audit report, or when you do not want to depend on the OTP.
Can I use the same DSC for Income Tax and GST?
Yes, if the PAN on the certificate matches. Each portal has its own registration, done once with the certificate from the token.
What is the DSC Management Utility?
It is the small program the Income Tax portal uses to read your certificate from the token and sign the XML file behind a return, a Form 3CB or a Form 15CB. The portal prompts for it when it asks for a signature.
How do I register my DSC on the Income Tax portal?
Log in to the e-Filing portal, open Profile and Manage DSC, then Register DSC. Choose the certificate from the plugged-in token and enter the PIN.
Can a CA file Form 15CA and 15CB without a DSC?
Form 15CA and 15CB are signed digitally, so the CA signs them with a DSC on the token. That is the same Class 3 signing certificate, not a separate one.
What happens if my DSC expires in filing season?
The return or the report will not sign. Get the reissue before the expiry date; a certificate already on your token keeps working until it expires.
Is a DSC mandatory for the tax audit return of a partnership firm?
Yes, when the firm's accounts are audited under 44AB. Income Tax's e-filing help says a DSC is mandatory for e-verification of returns filed by companies and political parties, and by other persons whose accounts are required to be audited.
Do insolvency professionals need a DSC for IBBI forms?
Not always. IBBI's circular and step guide for the CP-1 to CP-5 forms say an insolvency professional can affix a DSC or e-sign, so either route works.
Is a new token needed every time?
Only if it is FIPS 140-3. Since 21 September 2026 new certificates cannot go on older FIPS 140-2 tokens, so any token bought before then will not work. A new token is an add-on at checkout.