Difference Between Udyog Aadhaar and Udyam Registration

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Eligibility Criteria for Udyam Registration
  • Authorized by Income Tax Department "e-Return Intermediary (ERI)" are entities who are authorized to e-file Income Tax Returns on behalf of taxpayers.
  • Registered with Startup India is duly certified under GOI's Startup India scheme.
  • Supported by iStart (Government of Rajasthan. Initiative for startups).
  • Supporting Government Making India Digital.
  • 40,000+ partners across India, and the number is growing every day.
  • Covering 19,000+ Pincodes Across India.
  • Assistance in e-Verification of the Filed Returns.
  • Micro Enterprises: Investment up to RS. 1 crore and Turnover up to RS. 5 crore.
  • Small Enterprises: Investment up to RS. 10 crore and Turnover up to RS. 50 crore.
  • Medium Enterprises: Investment up to RS. 50 crore and Turnover up to RS. 250 crore.

Pricing Summary

  • Web Online CA Fee
    Rs. 699/-
  • Complete By*
    04-Aug-2025

Documents Required

  • PAN Card
  • Aadhaar Card
  • Cancel Cheque of Bank
Updated On 28-July-2025

Difference Between Udyog Aadhaar and Udyam Registration

If you’re a small or medium business owner in India, registering your enterprise is crucial to access government schemes, subsidies, and various benefits. Two terms you might come across are Udyog Aadhaar and Udyam Registration. While they are both systems for MSME (Micro, Small and Medium Enterprises) registration, there are key differences between them. Let’s break it down in a detailed and easy-to-understand way.

What is Udyog Aadhaar?

Udyog Aadhaar was a government registration system launched in 2015 for Micro, Small, and Medium Enterprises (MSMEs) in India. It allowed businesses to register easily online using just the Aadhaar number of the owner, providing them with a 12-digit Udyog Aadhaar Number. It enabled MSMEs to access various benefits like loans, subsidies, and government schemes.

Note: Udyog Aadhaar has been discontinued and replaced by the Udyam Registration system from July 1, 2020.

What is Udyam Registration?

Udyam Registration is the current official registration process for Micro, Small, and Medium Enterprises (MSMEs) in India, launched by the Ministry of MSME on July 1, 2020. It replaced the older Udyog Aadhaar system.

Businesses can register online through the Udyam portal using their Aadhaar, PAN, and GSTIN, and are classified based on investment in plant & machinery and annual turnover.

Parameter Udyog Aadhar Udyam Registration
Introduced Udyog Aadhaar was launched in September 2015 Udyam Registration replaced Udyog Aadhaar from July 2020
Documents Required Aadhaar Aadhaar, PAN, GSTIN
Eligibility Micro and small enterprises Micro, small and medium enterprises
Registration Method Online or Offline (self-declaration) Online (fully digital, self-declaration, automated portal)
Verification No real-time verification Real-time verification from govt. databases
Validity Required renewal Permanent (No renewal needed)
Certificate Soft copy, No QR code Soft copy with QR code for verification

How to Migrate to Udyam Registration (Step-by-Step Guide)

If you already have a Udyog Aadhaar, you need to migrate to Udyam Registration to keep your MSME status valid and continue receiving government benefits.

Step 1: Visit the Udyam Registration Official Government Portal

Step 2: Select Migration Option:

Click on “For those already having registration as UAM”

Then select “Migration from UAM to Udyam Registration”

Step 3: Enter Your Udyog Aadhaar Details

Enter your Udyog Aadhaar Number

Choose to receive OTP via mobile or email linked to that number

Step 4: Verify OTP

Enter the OTP received on your registered mobile/email to verify your identity.

Step 5: Fill in/Update Business Details

Confirm or update:

PAN

GSTIN (if applicable)

Type of organization

Business activity

Investment & turnover details

Step 6: Submit and Generate Udyam Certificate

After verification, submit the application.

You’ll receive a Udyam Registration Number and can download the certificate.

Documents Required

Udyog Aadhaar Number

Aadhaar Number of the owner

PAN of the business

GSTIN (if applicable)

Registered mobile/email for OTP

Conclusion

While Udyog Aadhaar served its purpose by simplifying MSME registration in its time, it has now been fully replaced by Udyam Registration, which offers greater transparency, automation, and integration with government systems. If you’re starting a business or haven’t yet migrated from Udyog Aadhaar, it’s essential to register under the Udyam system to remain compliant and access benefits.

FAQ's About Difference Between Udyog Aadhaar and Udyam Registration

1. Is it mandatory to migrate from Udyog Aadhaar to Udyam Registration?

Yes. The Government of India discontinued Udyog Aadhaar after June 30, 2022. To continue being recognized as an MSME and receive related benefits, businesses must migrate to Udyam Registration.

2. Can I still migrate if I missed the deadline?

Yes. The migration feature is still available on the Udyam portal. Even though the deadline has passed, businesses can still migrate from Udyog Aadhaar to Udyam Registration without any penalties. 

3. Can I update details after migrating?

Yes, you can update information by logging in using your Udyam Registration Number and verifying via OTP.

4. Do I need to renew my Udyam Registration every year?

No. Udyam Registration is permanent and does not require annual renewal. However, ensure your PAN and GST filings are accurate, as your MSME status is now linked to real-time financial data.

5. What happens to my Udyog Aadhaar Number after migration?

Once you successfully migrate to Udyam Registration, your Udyog Aadhaar Number becomes inactive, and the new Udyam Registration Number (URN) replaces it. You should use the URN for all future references and government dealings.

6. Will my business information be updated automatically during migration?

Partially. Basic details from your Udyog Aadhaar are pre-filled. However, you must verify and update your PAN, GSTIN, and financial figures (investment and turnover), as the new system fetches and cross-verifies data from government sources.

7. Can I register multiple businesses under the same Aadhaar?

Yes, but each business must be registered separately. One Aadhaar number can be used for multiple Udyam Registrations, provided the businesses are distinct legal entities.

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