Introduction
When purchasing a product with an ISI Mark, many consumers commonly assume that the product is genuinely certified by the Bureau of Indian Standards (BIS). However, with the increasing presence of fraudulent certifications as well as unauthorized use of quality marks, it has become all the more important to verify the authenticity of BIS-certified products before making a purchase.
One of the easiest ways to verify an ISI-certified product is by checking its BIS CML Number. This unique number basically helps consumers, manufacturers, importers, as well as the regulatory authorities, to confirm whether a product has a valid BIS license and complies with applicable Indian Standards.
In this guide, let us explore what a BIS CML Number is, why it is important, and how to check a BIS CML Number online using the BIS website and BIS Care App.
What is a BIS CML Number?
A BIS CML Number, which is also commonly known as a Certification Marks Licence (CM/L) Number, is basically a unique identification number that is issued by the Bureau of Indian Standards (BIS) to manufacturers who obtain certification under the ISI Certification Scheme.
- The CML number mainly serves as proof that the manufacturer's product complies with the relevant Indian Standard (IS) and has successfully met BIS quality as well as safety requirements.
- Products that are carrying a valid CML number are legally permitted to display the ISI Mark and be sold in the Indian market.
- The CML number is usually printed below or near the ISI Mark on the product, packaging, or product label.
Why is a BIS CML Number Important?
The BIS CML Number mainly plays an important role in maintaining product quality as well as consumer safety. It allows consumers to verify whether a product has been actually certified by BIS and whether the manufacturer's license is currently valid. Here are some of the many benefits of verifying a BIS CML Number, which include the following:
- It confirms the authenticity of the products.
- It protects against substandard products.
- It helps in the verification of the details of the manufacturer.
- It assists in the validation of the certification status of the products.
- Moreover, there is an assurance of compliance with Indian Standards.
- Improved consumer confidence, as well as safety, is guaranteed when informed choices are made in the market.
For manufacturers, a valid CML number mainly demonstrates regulatory compliance with BIS and helps build trust in the marketplace.
If you want to know why the BIS Certification holds so much significance, you can also download the complete guidebook for the BIS certification and stay updated with the latest regulatory requirements.
Where Can You Find the BIS CML Number?
The BIS CML Number is generally displayed on the following specifications:
- Below the ISI Mark
- On the product packaging
- On the product label
- On product documentation
- On manufacturer declarations
Consumers should always check the CML number before purchasing products that are covered under the applicable product checklist for BIS.
Benefits of Checking a BIS CML Number
Verifying a BIS CML Number provides several advantages to both consumers as well as manufacturers. Let us explore these in detail:
For Consumers
- Checking the CML number ensures product authenticity.
- It helps to avoid substandard or fake products.
- This also confirms compliance with Indian Standards.
- It results in improved purchasing confidence.
- Eventually, it enhances consumer safety.
For Businesses
- Checking the CML demonstrates regulatory compliance in India.
- It helps in building brand credibility.
- Moreover, it strengthens customer trust.
- CML Number check also supports quality assurance efforts.
- For businesses, this helps in enhancing market reputation.
Difference Between BIS CML Number and BIS R Number
Many consumers get confused between a BIS CML Number and a BIS R Number. However, both numbers belong to different BIS certification schemes and mainly apply to different categories of products.
| Feature | BIS CML Number | BIS R Number |
| Full Form | Certification Marks Licence Number | Registration Number |
| Applicable Scheme | ISI Certification Scheme | Compulsory Registration Scheme (CRS) |
| Product Category | Various categories of Industrial and consumer products | Electronics and IT products |
| Format | CM/L-XXXXXXXXXX | R-XXXXXXXXXX |
| Certification Mark | ISI Mark | CRS Standard Mark |
Understanding this difference mainly helps users verify products under the correct BIS certification scheme.
How to Check a BIS CML Number Online?
Verifying a BIS CML Number online is an absolutely simple process and can be completed within a few minutes. Here are the steps that must be followed to check the same:
Step 1: Visit the BIS Official Website
Open the official BIS portal and navigate to the license verification section.
Step 2: Select License Verification
Choose the option that allows users to search for and verify BIS-certified products and licenses.
Step 3: Enter the CML Number
Enter the CM/L Number exactly as printed on the product or packaging.
Step 4: Submit the Details
Click the search or verify button in order to obtain the certification information.
Step 5: Review the Results
The system will display important information, mainly including the following:
- Manufacturer name
- License number
- Product category
- Applicable Indian Standard
- License validity status
- Certification details
Step 6: Confirm Product Authenticity
Verify that the displayed information matches the product that is being purchased or used.
How to Verify a BIS CML Number Using the BIS Care App?
The BIS Care App provides an absolutely convenient way to verify BIS-certified products directly from a smartphone. Here are the steps that help in verifying the BIS CML number using the BIS Care App:
Download the BIS Care App
The app is available free of cost on Google Play Store as well as the Apple App Store.
Verification Process
- Open the BIS Care App.
- Select "Verify License Details."
- Enter the CML Number.
- Submit the information.
- View certification details instantly.
The BIS Care App also allows users to verify hallmarked jewellery, CRS registrations, and register complaints regarding products that are non-compliant.
Common Reasons Why a CML Number May Not Be Found
Sometimes users may not find any information when searching for a CML Number. This can happen due to several reasons, such as the following:
- Incorrect Number Entry
A typing error while entering the CML number can usually result in no search results being displayed. - Expired License
One of the major reasons is also that the manufacturer's BIS license may have expired or been suspended. - Substandard Product
The product may be displaying a fake or unauthorized BIS mark, due to which no details will be available. - Database Updates
Occasionally, information may take time to reflect in online databases due to administrative updates. It is advised to wait and double-check to be sure.
If verification fails, consumers should exercise caution before purchasing the product. If you don’t know whether a product actually requires a BIS license, check your product’s eligibility for a BIS certification today with Brand Liaison’s free CYE tool.
Conclusion
A BIS CML Number is more than just a license number, as it serves as proof that a product has been certified by the Bureau of Indian Standards and complies with applicable Indian quality and safety requirements. Verifying a CML number surely helps consumers identify genuine ISI-certified products, avoid fake and unsafe goods, and make informed purchasing decisions.
With digital verification tools such as the BIS website and BIS Care App, checking a BIS CML Number has become definitely quick as well as convenient. Whether you are a consumer who is looking to verify product authenticity or a business that is seeking to understand BIS compliance, regularly checking certification details can help ensure trust, transparency, and product quality in the Indian market.
Contact Brand Liaison, the best BIS certification consultant in India, in order to stay updated with the regulatory requirements and ensure worry-free compliance in the Indian market.








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