Udyog Aadhaar Login | Download Certificate | Update and Migration Guide 2025

f you are a small or medium business owner in India, you must have heard about Udyog Aadhaar—the government’s earlier system for MSME registration. Although Udyog Aadhaar has now been replaced by Udyam Registration, lakhs of businesses still search for “Udyog Aadhaar Login” to download or update their old certificate.

This blog will help you understand:

• What is Udyog Aadhaar?

• How to do Udyog Aadhaar Login

• How to download old Udyog Aadhaar Certificate

• How to update Udyog Aadhaar details

• Difference between Udyog Aadhaar & Udyam Registration

• Why you should upgrade to Udyam Registration

What is Udyog Aadhaar?

Udyog Aadhaar was a free online MSME registration system, launched to simplify the process for small businesses. Anyone with an Aadhaar number could register their business and get a 12-digit Udyog Aadhaar Number (UAN).
This number helped enterprises avail MSME schemes, loans, subsidies, and other benefits.

However, from 1 July 2020, the government replaced the system with Udyam Registration for more transparency and automated verification.

Still, old Udyog Aadhaar holders can:

• Login

• Download certificate

• Update information

• Migrate to Udyam Registration

Udyog Aadhaar Login – Step-by-Step Process (2025 Updated Guide)

Even though new registration under Udyog Aadhaar is stopped, the login portal is still available for old users. Follow these simple steps to login to your Udyog Aadhaar:

Step 1: Visit the Official Udyog Aadhaar Portal

Search for Udyog Aadhaar Update/Print Portal.

Step 2: Enter Your 12-digit Udyog Aadhaar Number (UAN)

You can find this number on your Udyog Aadhaar Certificate.

Step 3: Enter the Mobile Number Linked with Your UAN

This must be the same number used during registration.

Step 4: Choose OTP Option

You will see two options:

• OTP on mobile as filled in the application

• OTP on mobile as per Aadhaar

Select the suitable option.

Step 5: Enter the OTP Received on Mobile

Once you receive the OTP, enter it on the screen.

Step 6: Login Successfully

After verification, you can:

• Download Udyog Aadhaar Certificate

• Correct or update details

• Migrate to Udyam Registration

How to Download Udyog Aadhaar Certificate?

If you want to re-download your UAN certificate, follow this:

1. Go to Udyog Aadhaar print/download page

2. Enter your 12-digit UAN

3. Enter captcha

4. Generate OTP

5. Enter OTP

6. Click Validate & Download

Your certificate will be downloaded in PDF format.

How to Update Udyog Aadhaar Details?

If you want to update details such as business name, address, category, investment, or phone number, follow the steps:

1. Visit the Udyog Aadhaar Edit/Update page

2. Enter your UAN

3. Generate OTP

4. Login

5. Make corrections in the form

6. Submit and save changes

Common Problems During Udyog Aadhaar Login

1. Registered Mobile Number Lost

If the mobile number used during registration is not available anymore, you cannot generate OTP.

Solution:
You must contact the MSME ministry or apply for Udyam Registration with updated details.

2. UAN Not Found

This usually happens if:

• UAN is typed incorrectly

• Certificate for Udyam already migrated

Solution:
Cross-check your UAN or try migrating to Udyam Registration.

3. OTP Not Received

Network issues or incorrect number are common reasons.

Solution:
Try after some time or use Aadhaar-linked mobile OTP.

Udyog Aadhaar vs Udyam Registration – What’s the Difference?

Why Should You Upgrade from Udyog Aadhaar to Udyam Registration?

Here are the benefits:

• Automatic approval of MSME loans

• Eligibility for government tenders

• Priority in bank lending

• Interest subsidy under CGTMSE

• Faster verification for businesses

• No renewal required

• Valid for all government schemes & subsidies

How to Migrate Udyog Aadhaar to Udyam Registration?

1. Visit the Udyam Registration portal

2. Enter your Udyog Aadhaar Number

3. Validate with OTP

4. Fill the updated form

5. Submit to receive a new Udyam Registration Certificate

Your UAN remains linked with your new Udyam number.

FAQ

1. Is Udyog Aadhaar still valid?

Yes, it is still valid, but new registrations are no longer accepted. You must migrate to Udyam Registration.

2. Can I login to Udyog Aadhaar in 2025?

Yes, login is allowed for updating details and downloading certificates.

3. Is Udyog Aadhaar and Udyam Registration the same?

No. Udyog Aadhaar was the old MSME registration system; Udyam is the new updated system.

4. How do I get Udyog Aadhaar Number (UAN)?

You can find it on your certificate. New UAN issuance is discontinued.

5. How long does Udyog Aadhaar Login take?

Only 1–2 minutes if you have your mobile and UAN available.

Conclusion

Logging into Udyog Aadhaar is simple, provided you have your 12-digit UAN and registered mobile number. Although the government has shifted to Udyam Registration, old Udyog Aadhaar users can still access their details, download certificates, and migrate to the new system easily.
For business growth, loans, subsidies, and government benefits, it is highly recommended to complete your Udyam Registration as soon as possible.