DSC Renewal Guide: How & When to Renew Your Digital Signature Certificate (2026)
When to renew, what documents you need, what happens if your DSC expires, and how to renew in about 15 minutes.
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Practical articles for CAs, exporters, and business owners.
When to renew, what documents you need, what happens if your DSC expires, and how to renew in about 15 minutes.
The CCA is moving all new DSCs and renewals to FIPS 140-3 compliant USB tokens. What changes, what your existing token can still do, and what to do before you renew.
Which MCA/ROC filings need a DSC, who needs one, and how to get a Class 3 DSC approved in 15 minutes.
Who needs a DSC for GST, which class to buy, documents required, and how to get one approved in 15 minutes.
How exporters renew a DGFT-encoded Class 3 DSC, link it to IEC on the DGFT portal, and get approved in 15 minutes.
Which Class 3 DSC bidders need for GeM, CPPP and state e-procurement portals — documents, setup and 15-minute approval.
Which DSC Bangalore startups, businesses and CAs need — documents, portals and 15-minute WhatsApp-based approval.
When Karnataka companies and LLPs need a DSC for GST, key due dates, and how to avoid late-filing penalties.
Which Class 3 DSC you need for KPPP, BBMP, GeM and CPPP bids — signing vs combo, documents, bidder registration and costly mistakes.
When a DSC is mandatory for ITR, which class to buy, documents required, and how to register it on the e-Filing portal.
Which DSC employers need for EPFO filings, how to register it on the employer portal, and the errors that block approvals.
Class 2 was discontinued in 2021. Here's how the two classes differ and which certificate you need today.
Which DGFT-classified DSC Bangalore and Karnataka exporters need for IEC and DGFT portal filings, documents and 15-minute approval.
Which DSC Bangalore startups need for SPICe+ incorporation, MCA21 V3 and ROC filings — director DSCs, documents and timing.
Renew an expiring Class 3, Organisation or DGFT DSC online — reuse your token, WhatsApp Video KYC, no office visit.
Step-by-step DSC application — documents, Video KYC, USB token, timelines and the mistakes that cause rejections.
Which DSC you need for GeM, CPPP and corporate e-Procurement portals, documents required, and how to register it.