How to Update Your Udyam Registration Certificate
A step-by-step guide — free on the official government portal
If your business address, activity, investment, turnover, or contact details have changed since you first registered, you need to update your Udyam Registration Certificate — not create a new one. Here's exactly how, in six steps.
Step-by-Step: Updating Your Udyam Certificate
Go to udyamregistration.gov.in and select the "Update/Cancel Udyam Registration" option, not the new registration form.
Type in your 19-character Udyam Registration Number (URN) exactly as shown on your original certificate.
An OTP is sent to the mobile number linked to the Aadhaar used at the time of original registration. Enter this OTP to unlock edit access.
Update whichever details have changed — business address, mobile/email, NIC activity codes, investment in plant & machinery, or annual turnover.
Double-check every changed field, since incorrect figures can shift your enterprise category (Micro/Small/Medium) automatically.
Once submitted, the system regenerates your certificate with the new details and the same Udyam Registration Number — download and save the updated PDF.
What You Can Update
- Business/trade name and registered address
- Mobile number and email address
- NIC codes for business activity (manufacturing/services)
- Investment in plant & machinery or equipment
- Annual turnover figures
- Bank account details
Why Your Enterprise Category Can Change
Micro, Small, and Medium classification is calculated automatically from the investment and turnover figures on file. If your turnover has grown past a threshold since your last update, your certificate may reclassify from, say, Micro to Small — this is normal and simply reflects your business's real growth. Keeping figures current ensures you're applying for the correct scheme benefits for your actual size.