What is Unique Document Identification Number – How to Register, Generate & Verify

Any document or certificate with a chartered accountant’s attestation possesses prodigious value. It typically denotes no misrepresentation from an entity while issuing such a document.

This brings possibilities to replicate signatures of CAs to issue such documents and certificates. Therefore, ICAI introduced a unique document identification number to secure a document authenticated by a CA.

UDIN portal generates a unique number for every document or certificate attested by a chartered accountant. A chartered accountant must register on the portal for UDIN verification.

Chartered accountants must register themselves on the UDIN portal to generate and verify UDIN. Below is the step-by-step process of registration on this website -

Step 1

Visit the UDIN portal and click on “Membership Login”.

Step 2

Enter your 6-digit Membership Number (MRN), date of birth and year of enrolment. Then click on “Send OTP”.

Step 3

Once you get that OTP, enter it and click “Continue”. You will get the system-originated login credentials to your email address.

Below are the steps to generate UDIN for each document a CA certifies -

Step 1

Go to the UDIN portal and hover your cursor on “Log in” on the home page.

Step 2

Enter your login credentials, which are your user name and password. You can change the password anytime later as a security measure.

Step 3

Click on “Generate UDIN” and enter all the essential details. A crucial part of those details is “keyword” and its equivalent amount or value in that document.

For instance, a CA must use the keyword “turnover” with its corresponding value to certify a turnover. 3 such keywords are essential to generate a UDIN for a document.

Step 4

Click on “Send OTP” to get an OTP on your email address or phone number registered with ICAI. After that, a preview of all details will appear to verify.

Step 5

Check the details carefully. If you want to change any attribute, click on “Back” and adjust accordingly. Otherwise, click on “Submit” to generate the UDIN successfully.

Chartered accountants can also check the validation of a certified document from the UDIN portal. Following are the easy steps of UDIN verification -

Step 1

Visit the official portal of UDIN and go to the “Verify UDIN” section.

Step 2

You will be redirected to a new page to authenticate UDIN By Authorities/ Regulators/ Banks/ others. Enter all the details carefully as all these fields are necessary to fill in.

Step 3

Click on “Send OTP” to get the OTP on your previously entered mobile number.

Step 4

After entering the OTP, you will find the details of UDIN that will appear on the screen.

Chartered accountants can revoke or repeal a UDIN at any time by providing a reason. Here is the process -

Step 1

 Hover to the “List UDIN” menu and click on “Revoke UDIN”.

Step 2

Choose a UDIN you want to revoke and provide a reason for the revocation. Then click on “Send OTP”.

Step 3

Enter the OTP you got on your mobile number registered with ICAI to cancel a UDIN successfully.

You may face any difficulty in any procedures mentioned above and seek assistance. Contact on (011) 3011 0444 to reach the UDIN helpline. You can also send a mail of your query to udin@icai.in.

You can also submit your complaints on the UDIN portal by following the steps below:

Step 1

Go to the “Helpdesk” and enter all the details along with your complaint.

Step 2

Click on “Submit” and complete the following procedure needed.