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What is DSC and how to get it?

11-Feb-2026
Corporate

Answer By law4u team

A DSC (Digital Signature Certificate) is an electronic equivalent of a physical signature that is used to authenticate and verify the identity of the signer in electronic transactions, documents, and communications. It is a secure and legally valid way to sign documents in digital format. Purpose of DSC: Authentication and Identity Verification: DSC ensures the identity of the signer and prevents identity fraud in digital transactions. Data Integrity: It ensures that the content of the document or transaction has not been altered after signing. Non-repudiation: It provides evidence that a specific individual has signed a particular document or transaction, and the individual cannot deny it later. A DSC is required for various official and legal processes, such as: Filing income tax returns (ITR) online. E-filing of company documents with the Ministry of Corporate Affairs (MCA). Signing electronic forms for government services. Online tendering or bidding. Signing agreements or contracts electronically. Types of Digital Signature Certificates (DSC) 1. Class 1 DSC: Used for personal use to authenticate the user’s identity. Mainly used for email encryption or signing documents. It confirms the user's name and email address, but no extensive verification is done. 2. Class 2 DSC: Used for corporate purposes and is typically required for e-filing with government departments (like the Income Tax Department). Verifies the individual’s details against a trusted database. 3. Class 3 DSC: This is the most secure form of DSC and is used for higher-level transactions. It's required for online tendering, e-auctioning, and high-value transactions. Involves in-person verification at the issuing authority. 4. DGFT DSC: Specifically issued for those involved in import/export activities with the Directorate General of Foreign Trade (DGFT). How to Get a Digital Signature Certificate (DSC) Step 1: Choose the Type of DSC First, determine the type of DSC you need based on your purpose: Class 1 for personal use (email authentication). Class 2 for filing taxes, MCA documents, etc. Class 3 for high-security transactions, online bidding, etc. Step 2: Choose a Certifying Authority (CA) In India, DSCs are issued by Certifying Authorities (CAs) authorized by the Controller of Certifying Authorities (CCA) under the Ministry of Electronics and Information Technology (MeitY). Some of the authorized CAs are: e-Mudhra Sify NSDL Capricorn TCS (Tata Consultancy Services) You must choose a recognized Certifying Authority to apply for a DSC. Step 3: Complete the Application Form Visit the website of your chosen Certifying Authority. Fill out the online application form by providing personal details such as your name, address, email, identity proof, and address proof. You may need to upload documents like: Aadhaar card Voter ID Passport PAN card Passport-sized photo (if required) Step 4: Verification Process After filling the application, you will need to go through the verification process. For Class 2 DSC: The CA will verify your details by checking your name against government databases or documents. For Class 3 DSC: You will need to undergo in-person verification (you may need to visit the CA's office or a registration center). Some Certifying Authorities may conduct verification over a video call for convenience. Step 5: Payment Pay the prescribed fee for the DSC through online payment or other available methods. The fee varies depending on the type and validity of the DSC (1-year, 2-year, 3-year validity). Step 6: Issuance of DSC Once the payment is completed and the verification process is successful, your Digital Signature Certificate will be issued. The DSC will either be provided as a USB token (a physical device) or a soft copy (for Class 1 DSC, usually). Most high-level DSCs (Class 2 and Class 3) are issued in a USB token format, which is a secure device that stores your private key. Step 7: Install the DSC If you receive the USB token: Plug the USB token into your computer. Install the necessary drivers and software provided by the Certifying Authority. Follow the instructions to activate your DSC and use it in your applications, such as e-filing, signing documents, etc. For soft DSC, you will receive a file containing the certificate, and you will have to install it on your computer or browser. Validity of DSC DSC validity is typically for 1 to 3 years, depending on the type and service you choose. You will need to renew your DSC before it expires if you wish to continue using it. Where and How is DSC Used? Income Tax Filing: To file income tax returns online with a Class 2 or Class 3 DSC. Company Registration: For MCA filings (company incorporation, annual filing, etc.) a Class 2 or Class 3 DSC is mandatory. Tenders and Auctions: Required for participating in e-tenders and e-auctions. Document Signing: For signing PDF documents or contracts electronically. GST Returns: GST-registered businesses use DSC to authenticate their returns. Conclusion A Digital Signature Certificate (DSC) is a secure and legal way of signing documents electronically and is mandatory for several official, government-related transactions in India. The process to obtain a DSC involves: 1. Choosing the right type of DSC (Class 1, Class 2, or Class 3). 2. Applying through an authorized Certifying Authority (CA). 3. Completing the verification process. 4. Receiving and installing the DSC. DSCs are critical for e-governance, online tax filing, business registration, and many other digital activities, ensuring security, authenticity, and integrity of electronic transactions.

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