Digital Signature Certificate (DSC) in India 2025: Complete Guide

Digital Signature Certificate (DSC) is essential for electronically signing documents in India. This guide explains everything about DSC - types, uses, and how to obtain one.

What is Digital Signature Certificate (DSC)?

A Digital Signature Certificate is a secure digital key issued by certifying authorities that verifies the identity of the holder. It contains the user's name, email, country, public key, and the name of the certifying authority.

DSC serves as the electronic equivalent of a physical signature and is governed by the Information Technology Act, 2000.

Types of DSC

Class 3 DSC

Highest level of assurance. Required for:

• Company and LLP incorporation (MCA filings)
• GST registration and returns
• Income tax e-filing
• E-tendering and e-procurement
• DGFT and customs filings
• Patent and trademark filings

DGFT DSC

Specifically for DGFT portal filings including IEC application and amendments.

Uses of DSC

Portal/Filing	DSC Required
MCA (Company Registration)	Class 3
Income Tax	Class 3
GST Portal	Class 3
E-Procurement/Tendering	Class 3
DGFT Portal	DGFT DSC
Trademark/Patent	Class 3
ROC Filings	Class 3

Documents Required for DSC

For Individuals

• PAN Card (mandatory)
• Aadhaar Card
• Passport-size photograph
• Email ID and mobile number

For Companies/Organizations

• PAN of the person (signatory)
• Aadhaar of the person
• Company/Organization authorization letter
• Photograph

DSC Application Process

Step 1: Choose Certifying Authority

Select a licensed Certifying Authority (CA) like eMudhra, Sify, NSDL, etc.

Step 2: Submit Application

Fill the application form online with personal details and purpose.

Step 3: Video Verification

Complete video KYC verification with live agent showing original documents.

Step 4: Pay Fee

Pay the applicable fee online.

Step 5: Receive DSC

DSC is typically issued within 1-2 working days.

DSC Validity and Renewal

Validity Period	Fee (Approx.)
1 Year	Rs. 800 - Rs. 1,000
2 Years	Rs. 1,200 - Rs. 1,500
3 Years	Rs. 1,500 - Rs. 2,000

Note: DSC cannot be renewed. A new DSC must be obtained before expiry.

DSC Token

DSC is stored on a USB token (dongle) for security. The token:

• Protects the private key
• Requires PIN to access
• Can be used on multiple computers
• Is tamper-proof

Common DSC Issues and Solutions

1. DSC Not Detected

• Install/reinstall DSC drivers
• Try different USB port
• Update browser settings

2. Invalid Certificate

• Check expiry date
• Verify certificate chain
• Install root certificate

3. PIN Blocked

• Contact certifying authority
• Reset PIN using PUK (if available)

Why Choose LegalX India for DSC?

• Same Day Delivery: Get DSC within 24 hours
• Video KYC Support: Assistance with verification
• All Types: Class 3, DGFT, and organization DSC
• Technical Support: Help with installation and usage
• Competitive Pricing: Best rates in market