Using Digital Signature Certificate to Authenticate ITR


Technological advancements have made our lives digitally a lot easier especially the whole process of filing an ITR and submitting returns over the internet. Taxpayers need to affix their digital signature onto their tax return document as a way of authentication In order to e-file an ITR,

Digital signature Certificates, which are issued by Certification Authorities, contain information like the taxpayer’s name, public key, name of issuing Certification Authority, the expiration date of the public key, the digital signature, and its serial number. A DSC helps you secure your important documents digitally and have sole access to them. If you are looking for a DSC provider in Kolkata, ALLDSC is the name for you. It is one of the leading DSC providing agencies in West Bengal and holds a valuable name in the market.

Following are some of the benefits of using a digital signature: 

  • A digital signature cannot be edited or tampered.
  • It makes it easier to track a document.
  • An environment-friendly option. 
  • Helps to streamline the entire e-filing process. 
  • Reduces cost and adds more convenience

Components of Digital Signature

For the purpose of knowing how digital signature online works, one needs to first know the elements first: 


Personal Information  

Public Key

Serial Number

Where can you Use Digital Signatures?

A Digital signature can be used in the following : 

  • For receiving and sending digitally signed emails. 
  • For conducting secure online transactions. 
  • For e-filing ITRs. 
  • For signing documents such as MS Excel, MS Word, and PDFs

You may read: DSC provider: How to Ensure Business Continuity with Digital Signature During Covid?

How to Register Digital Signature While E-Filing ITR ?

Step 1: For filing an ITR using a digital signature, the taxpayer needs to first register it on the Income Tax Department’s e-filing portal.

Step 2: On the e-filing website, the taxpayer needs to log in to his or her registered account.

Step 3:  Select the button that says “My Account” and click on the “Update Digital Certificate” option. 

Step 4: A downloaded file called “Store Certificate” should start automatically. 

Step 5: Go back and click on “Upload your USB Token“, you will be redirected to a page that says “Select Your USB Token Certificate” and “Browse“. On clicking the “Browse” button, a selection window will open where you need to choose the file you just downloaded. 

Step 6: Select the file and click on “Okay“. Enter the PIN code, and then click on “Sign“. 

Certifying Authorities for Digital Signature Certificates 

The following are some licensed certifying authorities:

  • Safescrypt 
  • CDAC CA 
  • Capricorn CA 
  • IDRBT 
  • GNFC 
  • e Mudhra CA
  • NSDL e-Gov CA 
  • Indian Air Force 
  • Verasys CA 

How to Get a Digital Signature ?

The entity will have to submit few documents to the certifying authority. These can include a passport size photo, identification proof, an application form. The applicant may be asked to provide his or her mobile number, email address and home or organization address. An important point is that different countries will have different requirements from the applicants for the issuance of DSC. 

Procedure for Uploading Income Tax Return Online Using Digital Signature 

Step 1: Fill out the ITR form 

Step 2: Visit the Income Tax India website and Log in to your registered account 

Step 3: Click on the tab “Submit Return” and then select the Assessment Year. 

Step 4: Select the ITR Form Name 

Step 5: Select the “Yes” button. 

Step 6: Select the kind of DSC you want to use

Step 7: Upload the income tax returns with the help of DSC and authenticate it.



I am the writer of the above blog. Being a content writer for more than 5 years now, I love to write on trendy market topics and share my point of view. I hope this blog helps you in many different ways. Good Luck.


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