Drivers, utilities, forms & guides
DSC Resources & Downloads
Everything you need after buying a DSC: token drivers, portal signer utilities, CA forms and letters, video KYC links and step-by-step guides.
Software & driver downloads
Token drivers
HyperSecU HYP2003 (FIPS 140‑3)
Driver for the HYP2003 token
mToken
Driver for mToken tokens
Precision InnaIT
Driver for InnaIT Key DSC tokens
WatchData ProxKey (older tokens)
FIPS 140‑2, discontinued for new certificates
Portal signer utilities
GST Signer (emSigner)
Needed to register and sign on the GST portal
emBridge
Used by the Income Tax e-filing portal
S Signer Utility (PKI component)
Signer component used by some portals
Other software
Adobe Acrobat Reader
Sign and verify PDFs with your DSC
Java
Needed by some older signer components
Prefer we install it?
Our support team connects over remote desktop, installs the right driver and signer utility, and registers your DSC on your portals, usually in a few minutes.

Not sure which driver you need? Check the brand printed on your token, or ask us on WhatsApp. We also install drivers for you over remote desktop.
Video KYC recording links
Use the link for the Certifying Authority your application is with.
Capricorn CA
Record or resume your video verification
Vsign
Record or resume your video verification
SpeedSign
Record or resume your video verification
Before you record
- Read our video tips to get approved first time.
- Keep original PAN and Aadhaar ready.
- Use good light and a quiet room.
Application forms & letters
Templates published by each Certifying Authority.
Vsign
Organisation applications usually need an authority letter or board resolution on your letterhead. Ask us if you’re unsure which one your CA needs.
Official guides & advisories
Income Tax DSC tutorial (PDF)
Official guide to registering and using a DSC on the e-filing portal.
CCA advisory on FIPS 140‑3 tokens (PDF)
Controller of Certifying Authorities advisory on moving from FIPS 140‑2 to FIPS 140‑3 tokens.
Controller of Certifying Authorities
The government body that licenses Certifying Authorities in India.
DSC guides
Troubleshooting, how-to and comparison guides.
- DSC Token Not Detected? 8 FixesTroubleshooting
- Forgot Your DSC Token PIN? How to Unlock ItTroubleshooting
- How to Sign a PDF with Your DSC in Adobe ReaderHow-to
- DSC vs Aadhaar eSign: Which One Do You Need?Comparison
- Individual vs Organisation DSC: Which Do You Need?Comparison
- Sign vs Encryption vs Combo DSCComparison
- DSC Expired, Revoked or Lost: What to DoTroubleshooting
- FIPS 140‑2 to FIPS 140‑3 Tokens: What It Means for YouUpdate
- How to Check Your DSC Expiry DateHow-to
- Fixing emSigner (GST) and emBridge (Income Tax) ErrorsTroubleshooting
Quick answers
Which DSC do I need for MCA?
Is a DSC mandatory for GST?
Can I hold two DSCs on one PAN?
Can a DSC be transferred to someone else?
Can’t find what you need?
Message us and we’ll send the right driver, form or link.
What our customers say
Real reviews from our Google Business Profile.
Global Signtech with their great responsiveness and clear communication delivered an exceptional experience from start to finish! Ms. Bhalani is truly customer focused and ensured the entire task got done smoothly and efficiently. She saved me days of waiting and hours of frustration that I would have faced had I ordered the service directly from the CAs.
Wanted a dsc for my company urgently and within an hour we got it in hand, amazing service!!
Very good! I needed class 3 DSC and they made it happen same day. Top Notch professional service providers. Great experience.
Thank you Global Signtech for prompt n quick issue of DSC. Thank you for going above n beyond in helping registration download on my device and also post sales help in resolving the issues not related to you and your scope of services. Highly recommended
I had a genuinely great experience here while getting my Digital Signature Certificate. The service was incredibly fast, and everything was explained so clearly. No hidden charges, no confusion just honest, transparent help from start to finish.
I contacted Global SignTech for a DSC key, and I was very impressed with their service. They guided me clearly, prepared the DSC key promptly, and even couriered it within just one hour. Excellent support and efficiency!
Got my dsc soo quickly and without much drama of paper work and personal visit. Totally trustworthy and recommended. Best dsc service in Western area.
They are really helpful and got digital signatures for my entire team in office
Renewed my digital signature and very good price and got fast delivery
Exceptional customer support and good technical knowledge. No hidden cost and quality of service 10/10
They offered best price and support for class 3 digital signature certificate. Got immediate delivery within 2 hours.
Got digital signature ready same day. I picked up from their location. Easy and smooth process. Very good service highly recommend
Got Digital Renewed very fast and quick delivery. They also provided good support via Anydesk thank you
Got my dsc made in just 20 mins. Global signtech made it very easy and convenient
