Complete Guide to Class 3 Digital Signature Certificate (DSC) in India (2026)
Learn everything about Class 3 DSC, paperless Aadhaar OTP verification, validity, and why it is mandatory for e-Tendering, GST, MCA, and Income Tax filing.
What is a Class 3 Digital Signature Certificate?
A Class 3 Digital Signature Certificate (DSC) is the highest level of cryptographic security credential issued under the Information Technology Act, 2000 in India. Following regulatory guidelines, Class 3 is the standard certificate issued for all individual and organizational signing needs.
Whether you are filing annual company returns on MCA, participating in government tenders on the Central Public Procurement Portal (CPPP) or GeM, or filing GST and Income Tax returns, a valid Class 3 DSC USB Token is required.
Key Features of Class 3 DSC
- Highest Cryptographic Security: Employs SHA-256 hash algorithm with 2048-bit asymmetric RSA key pairs.
- FIPS 140-2 Level 2 Certified USB Token: Ensures private keys cannot be duplicated or exported.
- Fast Paperless Verification: Paperless Aadhaar OTP, PAN eKYC, and simple 15-second video recording.
- Multi-Portal Usability: Works across MCA v3, GST, Income Tax, EPFO, GeM, ICEGATE, and e-Procurement.
How to Apply for Paperless Class 3 DSC Online?
At Digitaal Wave, getting your Class 3 DSC takes just 15 to 30 minutes with our express paperless verification process.
- Provide your PAN and Aadhaar number for Instant OTP verification.
- Record a brief 15-second live video eKYC.
- Your certificate is immediately approved and downloaded onto a cryptographic USB token.