Understanding Digital Signature Certificate (DSC) for TDS

An introduction of digital signature certificates

What is a Digital Signature?

A digital signature verifies the validity and strength of a communication, whether it be software or a digital document.

The digital signature is a replica of a handwritten signature or stamp seal and has significantly greater intrinsic security. The goal of a digital signature is to eliminate tampering and impersonation in digital communications.

What is a Digital Signature Certificate?

The Digital Signature Certificate (DSC) is an electronic version of a physical certificate, such as a driving license or passport. They serve as proof of identity for use online or with computers for a particular purpose.

A Digital Signature Certificate (DSC) is an electronic document that proves an entity’s identification. You need this in order to access information on the Internet or sign some digital documents.

Type of DSC Certificates


You can sign PDF files, GST returns, MCAs, and other web-based services such as income tax returns, GST returns submission, and MCAs using this DSC. It checks the document’s integrity and authenticates the user’s identity.


In order to protect sensitive information, encryption certificates encrypt it before uploading it to a web portal or sending it to another person. This makes it difficult for unauthorised individuals to access the data. Encrypt certificates are commonly used for e-commerce documents, e-tender filing documents, legal documents, and other confidential records.

Sign & Encrypt

This digital signature certificate is capable of signing and encrypting documents. In most cases, government forms, documents, and applications require it. It is a good choice for people who must verify their identity and keep their data safe.

Need for DSC

A Digital Signature Certificate (DSC) electronically verifies the user’s identity. These certificates also provide high security for online transactions by ensuring that the information exchanged is private. They can also sign/encrypt data so only the intended receiver can see it. The user can digitally sign information to ensure it has not been altered in transit and to validate the sender’s identity.

Digital Signature Certificate usages

  • To send and receive digitally signed and encrypted emails and documents.
  • To carry out safe web-based transactions
  • In eTendering, eProcurement, Registrar of Companies e-filing, Income Tax e-filing, and various other applications.
  • To sign documents such as MS Word, MS Excel, and PDFs

Where to purchase a Digital Signature Certificate (DSC)?

To obtain a legally valid Digital Signature Certificate (DSC), you will need to work with a Controller of Certifying Authorities (CCA), the Government of India, or Licensed Registration Authorities (RAs).

What are the different classes of Digital Signature Certificates?

The Certifying Authority issues certificates in four main categories. These classes specify the purpose and function of each class, as well as the verification techniques used to give the certificate. DSC has four classes:

  • Class 0 Certificate: This certificate is only valid for demonstration or testing purposes.
  • Class 1 Certificate: These certificates are distributed to individuals and private subscribers. Also, these certificates will validate that the user’s name (or alias) and email address comprise an unambiguous topic inside the Certifying Authorities database.
  • Class 2 Certificate: These certifications are issued to corporate and private persons. In addition, these certificates might confirm that the information in the application made available by the subscriber does not conflict with the information in well-known databases of consumers.
  • Class 3 Certificate: This certificate is given to both people and organizations. Because they are high-assurance certificates designed particularly for e-commerce applications. As a result, they will only be granted to persons upon their personal (physical) appearance before the Certifying Authorities.

Digital Signature Certificate for TDS return filing

Taxpayers with a digital signature certificate can use DSC (Digital Signature Certificate) to sign their TDS returns.

You can use the digital signature certificate for the following purposes:

  • Income Tax Return Filing
  • Online PAN registration and verification
  • Online submission of TDS statements

FAQs On Digital Signature Certificate (DSC)

1, what is the cost of obtaining a digital signature?

Ans:  The cost of getting a digital signature certificate may vary due to the several organizations that issue DSCs and their fees. For prices, please get in touch with the Certifying Authority directly.

2. How much time do CAs take to issue a DSC?

Ans: CAs often issue DSCs within a day.

3. What is the validity period of a Digital Signature Certificate?

Ans: Authorities can issue Digital Signature Certificates that are valid for one or two years.

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