When should I renew my DSC?

We recommend starting the renewal at least two weeks before the expiry date. Most Certifying Authorities allow renewal from around 30 days before expiry, which gives enough margin if a document needs correcting.

Can I renew after my DSC has already expired?

In many cases yes, but it may be treated as a fresh issuance rather than a renewal, which can mean a new application and re-verification. Renewing before expiry is simpler and keeps your existing record intact.

Do I need a new USB token to renew?

Usually not. If your existing token is undamaged and still supported, the renewed certificate is written to it. If the token has failed or is out of warranty, we supply a replacement.

Will renewal affect my e-tendering enrolment?

No. Renewal continues the same certificate identity, so portal enrolments remain valid and you do not need to re-register.

How long does renewal take?

Typically the same working day, often within 15 minutes during business hours, subject to eKYC and document verification.

Can I change the validity period when renewing?

Yes. You can renew for one, two or three years. Many regular bidders extend to two or three years to avoid renewing during an active tender season.

Buy Certificate

Issuing now · Same-day deliveryDSC Renewal

Renew Your Digital Signature Certificate

Renew your Class 3 Digital Signature Certificate online before it expires. Keep the same token and avoid a fresh application. Same-day processing.

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New FIPS 140-3 compliant USB token · Free installation support · GST invoice included

Renew before expirySame token in most casesSame-day processingExpiry reminders

500+

Customers served

15 min

Average issuance

FIPS 140-3

Compliant USB token

100% Paperless

Paperless process

Authorised RA

Registration Authority

Why It Matters

Why renew rather than reapply

An expired DSC blocks every filing that depends on it, including GST returns, MCA annual filings, income tax returns and live tenders. Renewal lets you continue with the same Certifying Authority and, in most cases, the same USB token, so your portal enrolments and habits stay unchanged. Start the renewal before your expiry date and the transition is seamless.

No fresh application

Renewal continues your existing certificate record instead of starting over, which is faster and avoids redoing portal enrolment.

Keep your existing USB token

In most cases the renewed certificate is written to the token you already use, so nothing changes on your machine or your filing workflow.

Portal enrolments stay valid

Because the certificate identity continues, registrations on e-tendering and other portals are not disrupted by the renewal.

Expiry reminders

We track your expiry date and contact you ahead of it. Renewing early avoids the scramble that follows a lapsed certificate.

One to three year terms

Choose the validity that matches your filing cycle. Regular bidders often take two or three years to avoid mid-season expiry.

Guidance if it has already expired

If the certificate has lapsed, we tell you exactly what is required to restore valid credentials and get you filing again.

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We partner with CAs, CSs, exporters, and enterprises to deliver fast, reliable digital signature solutions.

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Most applications are issued the same working day. Start yours now.

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Going digital shouldn't be difficult. Here's how we do it.

Our streamlined 3-step process eliminates the headache of paperwork and long wait times. Everything is done online, verified by experts.

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Select Your DSC

Choose the validity and type of certificate based on your specific use case. Our pricing is transparent and upfront.

Paperless KYC

Complete your Aadhaar-based or PAN-based video KYC online in under 5 minutes from your mobile or laptop.

Download & Use

Once approved, download your DSC into your new FIPS 140-3 compliant USB token, issued as per Govt. of India guidelines. You're ready to sign documents legally.

Checklist

Documents you need

PAN card of the certificate holder

Aadhaar card for eKYC re-verification

Existing USB token, where you are reusing it

Previous certificate or token serial number for reference

Company PAN and incorporation certificate for organisation renewals

Not sure what applies to you? See the full document checklist

The Difference

TNIT DSC vs buying it elsewhere

What you get	TNIT DSC	Typical reseller
Same-day issuance
100% paperless Aadhaar eKYC
USB token setup and driver install
Help choosing the right certificate
Single point of contact end to end
Renewal reminders before expiry