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Multiple Business Activities Under Udyam Registration: A Guide to Reviewing Your NIC Codes

Author : pramila kumari | Published On : 11 Sep 2026

 

Businesses often expand beyond their original activity. A company that initially provides one service may later add manufacturing, trading, consultancy, repair work, or another business activity. When this happens, entrepreneurs should review whether the information connected with their Udyam Registration accurately reflects their current operations.

For businesses using Udyam Registration Online, the National Industrial Classification (NIC) code is an important part of the registration details. Selecting appropriate NIC codes helps describe the activities carried out by an enterprise and keeps its registration information aligned with its business profile.

What Is an NIC Code?

An NIC code is a numerical classification used to identify different economic activities. It helps categorize what an enterprise does, such as manufacturing, wholesale, retail, services, or other activities.

A business involved in more than one activity may need to review the relevant classifications instead of relying only on the code selected when the enterprise was first registered.

Why Should Businesses Review Their NIC Codes?

Business activities can change over time. An entrepreneur may start with one service and later introduce additional products or services.

For example, a business may begin with:

  • Retail sales

  • Repair services

  • Software development

  • Food processing

  • Consultancy

Later, the same enterprise may expand into another related or separate activity.

If the Udyam details no longer represent the business accurately, reviewing the NIC codes can help keep the registration information updated.

Can a Business Have Multiple NIC Codes?

An enterprise carrying out multiple activities may include the applicable activities within its Udyam registration details, subject to the applicable system and classification requirements.

The important point is to select codes that genuinely correspond to the activities performed by the business. Entrepreneurs should avoid adding unrelated codes simply to cover possible future activities.

How to Identify the Right NIC Code

Choosing an appropriate NIC code requires understanding the actual nature of the business.

1. Identify Your Main Activity

Start by determining the primary activity that generates the principal business operations. This gives you a clear starting point when reviewing the classification.

2. List Additional Activities

Make a list of other activities currently performed by the enterprise. These may include manufacturing, trading, repair, distribution, consultancy, or service-related work.

3. Match Activities With the NIC Classification

Review the available NIC classification and identify the code that best represents each genuine business activity.

4. Avoid Guesswork

Do not select a code only because its description sounds similar. Read the activity description carefully and choose the classification that most closely matches your actual operations.

When Should You Review Your NIC Codes?

There is no need to wait until a problem occurs. Businesses can review their Udyam information whenever there is a meaningful change in operations.

Consider reviewing the details when:

  • A new business activity is introduced

  • An existing activity is discontinued

  • The enterprise expands into another sector

  • Product or service offerings change significantly

  • The nature of operations changes

  • Existing registration information no longer reflects the business

Regular reviews can help entrepreneurs maintain more accurate business records.

Process to Apply for Udyam Registration Online

Entrepreneurs who are registering a new enterprise can generally follow these steps:

1. Visit the Udyam Portal

Open the official Udyam Registration portal through your browser and select the appropriate registration option.

2. Fill in Business Details

Provide required information such as the business name, type of enterprise, address, bank details, and other applicable information. Make sure the details are accurate.

3. Review and Submit the Form

Carefully check the information entered in the application. Confirm that the business details and activity information are correct before submitting.

4. Complete the Applicable Payment

Follow the applicable registration process and complete any payment requested by the service provider, if applicable. The official Udyam registration process itself does not charge a government registration fee.

5. Receive OTP on Mobile

An OTP may be sent to the mobile number linked with the Aadhaar details used for verification.

6. Enter the OTP

Enter the OTP received on your mobile to complete the applicable identity verification.

7. Complete the Registration

After successful verification and submission of the required information, the registration process can be completed through the portal.

8. Receive Your Udyam Certificate

Once the registration is successfully generated, the Udyam Registration certificate can be accessed through the applicable online system and registered communication.

Common NIC Code Mistakes to Avoid

Choosing an Unrelated Code

Adding codes that do not describe your actual business activity can make the registration information less accurate.

Keeping Old Activities Forever

If an enterprise stops performing an activity, business owners should review whether the registration information needs updating.

Ignoring Business Expansion

Adding a significant new activity is a good reason to review the existing NIC classifications.

Selecting a Code Without Checking Its Description

NIC codes can be specific. Read the classification details instead of selecting a code based only on a keyword.

Keep Your Udyam Information Updated

An accurate Udyam record can make business administration easier. Entrepreneurs should periodically compare their current operations with the information recorded in their registration.

If multiple activities are being carried out, review the applicable NIC codes and update the registration details where the system permits such changes.

Note:- Now easily Print Udyam Certificate through the Udyam portal

Conclusion

As businesses expand, they may take up multiple activities, making it important to review their Udyam Registration Online details. Checking and updating the correct NIC codes helps keep the registration aligned with the business’s current activities and records.