Small businesses need a simple ID to get loans, tenders, and many government benefits. Earlier this was called Udyog Aadhaar and it gave a UAM number. Now the system has changed to Udyam Registration. It is fully online, free of cost, and paperless. You only need basic details and OTPs to complete it. If you already have a UAM number from the old system, you can move it to the new Udyam portal in a few minutes.

What changed from Udyog Aadhaar to Udyam

Udyog Aadhaar Memorandum (UAM) is the old system.
Udyam Registration is the current system used for MSME.
If you had UAM earlier, you should migrate it to Udyam to keep getting MSME benefits.
Registration is online, free, and does not need document uploads.
Only the official Udyam portal should be used.

Who can register (Eligibility)

These business types can register as MSME on the Udyam portal if they meet size limits:

Proprietorship, Hindu Undivided Family (HUF), Partnership firm, Company, LLP, Cooperative, Society, Trust.
Activities can be manufacturing, services, or both. Wholesale and retail trade can also register (benefits are limited mainly to bank lending).
One business gets one Udyam Registration. You can add many activities (multiple NIC codes) under the same registration.

Latest MSME size limits (from 1 April 2025)

Micro: investment up to ₹2.5 crore and turnover up to ₹10 crore
Small: investment up to ₹25 crore and turnover up to ₹100 crore
Medium: investment up to ₹125 crore and turnover up to ₹500 crore

Your class is decided by both factors together. If you cross any limit, you move to the next class.

What to keep ready

Aadhaar of owner/authorized person (proprietor, partner, director, or Karta)
PAN of the business (or proprietor for proprietorship)
GSTIN, if applicable
Mobile number linked to Aadhaar (for OTP)
Basic business details: name, type, address, bank account, start date, main activity, NIC code(s)

Note: The portal fetches turnover and investment data from Income Tax and GST systems. You do not upload documents during registration.

How to do a new Udyam Registration (step-by-step)

Go to the official Udyam Registration portal.
Choose New Registration and enter the Aadhaar of the owner/authorized person. Verify with OTP.
Enter PAN. The portal will fetch linked details.
Fill business details: legal type, name, address, bank account, start date.
Select activity and add relevant NIC code(s).
Confirm your investment/turnover class (Micro/Small/Medium).
Submit the form with OTP.
Your Udyam Registration Number is generated and the certificate is available to download. It has a QR code and does not need renewal.

How to migrate old UAM (Udyog Aadhaar) to Udyam

Open the Udyam portal and select the option for those having UAM/Udyog Aadhaar.
Enter your UAM number and verify with OTP (mobile/email used in UAM).
Enter PANand GST details (as required).
Check pre-filled business details, update if needed, and submit with OTP.
Download your new Udyam certificate.

You can also use the portal to print or verify both Udyam and UAM numbers.

Fees and renewal

Registration on the official Udyam portal is free.
There is no renewal. Keep your details updated when anything changes.

Update, modify, or cancel

You can update address, bank, NIC codes, or contact details from the Udyam portal.
If your size moves up or down based on turnover or investment, the system updates the class after the financial year based on PAN/GST data.
You can also request cancellation if the business is closed or converted.

Benefits after Udyam Registration (examples)

Priority sector lending and easier access to loans
Support under MSME schemes and programs
Preference in some public procurement (as per policy)
Easier proof of business for licenses and utilities

(Actual benefits depend on scheme rules of banks and government departments.)

Common mistakes to avoid

Registering on private websites that charge fees
Using a mobile number not linked to Aadhaar (OTP will fail)
Typing name or PAN in the wrong format
Adding the wrong NIC code for the main activity

Trying to create more than one registration for the same business.

Frequently Asked Questions (FAQs)

Is Udyam Registration mandatory?

It is required to claim MSME benefits like schemes, priority lending, and public procurement preference.

Can I register without PAN or GST?

PAN and GST are required where applicable. The portal pulls data from government databases to set your class and keep records clean.

Do I need to upload documents?

No. Registration is paperless and based on self-declaration with OTPs.

How many registrations can one business take?

Only one Udyam Registration for one business. You can add multiple activities (NIC codes) under it.

Can a person own more than one MSME?

Yes, if they are separate businesses as per law. Each business gets its own Udyam number. Do not create duplicates for the same PAN.

Are traders eligible?

Wholesale and retail traders can register. Most benefits are limited to bank lending norms.

How long does it take to get the certificate?

It is usually generated soon after you submit and verify OTP. You can download it from the portal.

What if I already have UAM (old Udyog Aadhaar)?

Migrate it on the Udyam portal using the UAM number and OTP. Then download the new certificate.

Can I change details later?

Yes. You can update contact, bank, address, and activities (NIC codes) on the portal.

Is there any charge by the government?

No. Registration on the official Udyam portal is free. Avoid private sites that ask for money.

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