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Digital signature certificate (DSC)

A Digital Signature Certificate (DSC) is a secure digital key that certifies the identity of its holder, issued by licensed certifying authorities. It functions as the digital equivalent of a physical certificate and includes critical user information such as name, pin code, country, email address, and the date of issuance, along with the name of the certifying authority. These certificates use public key encryptions to create signatures, ensuring that the signer’s identity is validated and the data within the document has not been altered. DSCs are essential for electronic documents and are legally admissible in court.


Digital Signature Certificates can be used for signing, encrypting documents, or both, and are typically issued for periods of 1 to 3 years. Their primary purpose is to allow documents to be digitally signed, providing a secure method to verify transactions and legal documents electronically. This capability makes DSCs critical in maintaining the integrity and security of digital communications and transactions.

Types  Classes Uses of Digital Signature Certificates

Click Here to Explore Types, Classes & Uses of Digital Signature Certificates (DSC)


Sign DSC can only be used for signing documents. Signing via DSC gives the assurance of not only the integrity of the signer but also the data. It is proof of untampered and unaltered data.


Encrypt DSC can only be used to encrypt a document, Encrypt DSC is fit for e-commerce documents, legal documentation and sharing documents that are highly confidential and contains information that needs to be protected.

Sign & Encrypt

Sign & Encrypt DSC can be used for both signing and encrypting. It is convenient for users who need to authenticate and maintain the confidentiality of the information  shared.


Class 1

These are issued to individual/private subscribers and are used to confirm that the user’s name and email contact details from the clearly defined subject lie within the database of the certifying authority.


Class 2

These are issued to the director/signatory authorities of the companies for the purpose of e-filing with the Registrar of Companies (ROC).


Class 3

These certificates are used in online participation/bidding in e-auctions and online tenders anywhere in India.

Note: Class 2 Digital Signature Certificates have been discontinued. Please ensure to use Class 3 Certificates for all e-filings and digital transactions from January 1, 2021, onwards

Key Applications and Uses of Class 3 Digital Signature Certificates (DSC)

MCA e-filing, Income TAX e-filing

LLP Registration, GST Application

IE Code Registration, Form 16

CBSE School, Director's KYC, etc

e-Tendering, e-Procurement

e-Biling, ICEGATE, Foreign Trade

Patent and Trademark e-filing

Custorms e-filing, e-Auction, etc

Documents Required for Foreign-Individual DSC Application

Address proof

Applicant’s Digital Passport-Size Photo

ID Proof

Email and Phone Number

Note: Please make sure that any uploaded/scanned document is fully readable and keep the ORIGINALS of the SAME DOCUMENT handy during video recording.

Digital Signature Certificate (DSC) Application Process for Foreign Individuals

DSC Application Procedure-foreign individual

Select Certificate Type and Validity: Choose the type of certificate you require and the duration for which it will be valid.

Set Up and Confirm Challenge Code: Input a challenge code and re-enter it for confirmation. Keep this code safe as it will be needed for downloading the certificate.

Provide Mobile Number with ISD Code: Enter the  mobile number along with the International Subscriber Dialing (ISD) code.

System Validation:

      • Already Registered: If the mobile number is already registered with eMudhra, proceed without further information.
      • Not Registered: Input additional details including Name, optional PAN, Date of Birth, Gender, complete Address (including PIN Code, State, City,  Country), Mobile Number with ISD, and Email ID.
      • Optional: Set up login credentials later via a link sent to the provided email

Enter Created PIN: Input the previously established PIN.

Email OTP Verification: Confirm your email address by entering the OTP sent to your email.

New Applicants:

      • Receive a track and expedite link for video recording.
      • Set up user credentials (Username, PIN, and OTP) if not previously created.

Existing Applicants:

      • A link for a fresh video recording will be sent.

DSC Validity:

The Certifying Authorities are authorized to issue a Digital Signature Certificate with a validity of one, two or three years.