Buy Digital Signature Certificates (DSC) Online with Radium Sign – Your Trusted & Authorized Partner

 In today’s fast-paced digital economy, trust and security are the foundations of every online transaction. Whether it’s e-filing income tax, participating in e-tenders, securing company documents, or facilitating foreign trade, the Digital Signature Certificate (DSC) has become an essential tool for individuals, businesses, and government entities.

Radium Sign is a trusted authorized partner offering a complete range of DSCs, including Class 2, Class 3, DGFT, eSign, and Document Signer Certificates, with real-time, on-call support. As an authorized seller for leading Registration Authorities in India, we ensure you receive 100% genuine, CCA-approved digital signature solutions—delivered through a fully paperless process.


Why Choose Radium Sign for Your Digital Signature Needs?

  • Authorized Partner for Top Certifying Authorities in India

  • Online Method - Review in as little as 15 minutes

  • Professional Advice - Our team will assist you every step of the way from selection to installation.


  • Full Compliance – All DSCs meet CCA and IT Act 2000 guidelines

  • Pan-India Service – Fast delivery of DSC USB tokens to your location

We provide DSCs to individuals, contractors, chartered accountants, company secretaries, directors, multinational corporations (MNCs), SMEs, government bodies, and even foreign applicants.


Types of DSCs We Offer

Radium Sign provides all classes and categories of DSCs, including:

  • Class 2 DSC – For MCA filings, GST registration, and income tax returns

  • Class 3 DSC – For e-tendering, e-procurement, and high-security transactions

  • DGFT DSC – For importers and exporters to securely log in to DGFT portals

  • eSign – Aadhaar-based instant document signing

  • Document Signer Certificates – For bulk signing of invoices, contracts, GST forms, etc.


Certificate Based on Processing

  • Traditional – Paper Based

  • Aadhaar-based e-KYC paperless DSC

  • PAN-based e-KYC Verification based DSC

  • GST Verification Based paperless DSC


Subscriber Based Certificates

  • Individuals

  • Organization

  • Foreign Individuals

  • Document Signer Certificate

  • IET Certificates

  • Foreign Organization


Classes of Certificates

  • DGFT

  • SSL

  • Document Signer (PDF Signer)

  • eSign


Types of Certificates

  • Sign

  • Encrypt

  • Combo (Signing + Encryption)


Validity of the Certificate

  • 1 Year

  • 2 Year

  • 3 Year


Digital Signature Certificate for Income Tax

E-Filing with a PAN-encrypted Digital Certificate (DSC) on the income tax e-filing portal has been mandatory since 1st July 2011 for all firms and individuals whose accounts must be audited as prescribed under Section 44AB of the Income Tax Act, 1961.

With Radium Sign, you can easily apply for and obtain your DSC for income tax compliance—fast, secure, and hassle-free.


Radium Sign – Authorized Seller of Leading DSC Brands

We are proud to be an authorized distributor for India’s most trusted Certifying Authorities:

  • eMudhra – Licensed CA providing DSCs, tax filings, and time-stamping services

  • Sify Safescrypt – First company to issue digital trust certificates and enterprise security products

  • Verasys Technologies – Leading DSC and eSigning supplier of legally valid signatures

  • Capricorn Identity Services Pvt. Ltd. – Owner of Certificate.Digital, a licensed CCA

  • IDSign CA – Govt.-licensed CA that issues secure DSCs under the IT Act 2000

  • Care4Sign – Expertise in cutting-edge digital identity and eSign solutions

  • SignX - DSC service provider, eSign service, time stamping service and eKYC service provider in India and outside India

When you buy from Radium Sign, you’re buying directly from authorized channels, ensuring your DSC is genuine, valid, and compliant.


Secure USB Tokens Recommended: ePass HyperPKI Auto 2003 FIPS USB Token

TRadium Sign strongly recommends the ePass HyperPKI Auto 2003 FIPS USB Token for safe storage and usage of your Digital Signature Certificate. The ePass HyperPKI Auto 2003 FIPS USB Token is a tamper-evident, FIPS 140-2 Level 3 USB Token. USB token designed for optimal security and compatibility.

Why choose ePass HyperPKI Auto 2003?

  • Certified FIPS 140-2 Level 3 and Common Criteria EAL 5+ — the industry's top security standards for crypto storage

  • Plug & Play — doesn't require a driver or CD installation; Windows and Linux supported

  • Managed all important types of DSC such as Class 3, DGFT, GST, Income Tax, MCA, EPFO, eTendering, etc.

  • Future-proof with CSP Version 2.0 compliance as mandated by the Indian CCA

  • High-quality with over 500,000 write/erase cycles and a average of 10+ years

  • Laser-printed serial number for verification and tracing

  • Shipped with 1-year manufacturer warranty and remote expert support


Ideal Use Cases:

  • Government procurement websites like GeM and eProcurement

  • Chartered accountants and tax professionals

  • Corporate digital signatures and employee identification

  • Importers/exporters utilizing DGFT portals

  • GST, MCA, Income Tax, EPFO filings

  • Scholarly and research organizations that need secure DSC authentication


Paperless, Aadhaar & PAN-Based DSC Issuance

Forget bulky paperwork—Radium Sign offers Aadhaar-based and PAN-based eKYC verification for instant DSC issuance:

  • Aadhaar-based DSC – Documents sign using Aadhaar eSign technology

  • PAN-based DSC – Quick, paperless application using PAN-linked eKYC

  • GST Verification DSC – Paperless DSC via GST portal verification


Industries & Use Cases

Radium Sign DSCs are widely used for:

  • Government Tendering (GeM, eProcurement)

  • Chartered Accountants & Tax Professionals

  • Corporate & Employee Verification

  • Import/Export (DGFT Portal)

  • GST, MCA, Income Tax, EPFO, ICEGATE Filing

  • IRCTC Agent Registration & E-Ticketing

  • Educational & Research Institutions


Why Businesses & Professionals Trust Radium Sign

  • Over 1 lakh satisfied clients across India

  • 100% GST invoice for all purchases

  • Remote installation & training support

  • Bulk order discounts for corporates, CAs, and government agencies


📞 Order Your DSC and Secure USB Token Today
Call/WhatsApp: +91 84343 84343
📧 Email: support@radiumbox.com

🌐 Visit: radiumsign.com


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