In India, manufacturers, importers, and traders dealing in weights and measuring instruments must follow the rules laid down under the Legal Metrology Act, 2009. One of the most important requirements under this law is obtaining Model Approval before manufacturing or importing any kind of weighing or measuring instrument. But what exactly is Model Approval, and why is it mandatory?

In this blog, we will explain everything about Model Approval Certificate, its connection to Legal Metrology Certificate Registration, and why this approval is essential to ensure your product is legal and market-ready.

What Is Model Approval?

Model Approval is a process through which the Legal Metrology Department (Central Government) checks and verifies the design and construction of a weighing or measuring instrument. This is done to ensure the product complies with the Legal Metrology (General) Rules, 2011 and other standards set by the government.

Once a model (prototype) is approved, the manufacturer can begin large-scale production of that model. Without this approval, production and sales are illegal.

Why Model Approval Is Mandatory?

Here are the main reasons why Model Approval is compulsory under Legal Metrology rules:

1. Ensures Product Accuracy

The primary goal of legal metrology is to protect consumers by ensuring that products give accurate measurements. Model Approval ensures that the instrument meets the technical standards and precision requirements.

2. Mandatory for Manufacturing

You cannot manufacture any weight or measurement device in India unless you first get a Model Approval Certificate for weight and measurement. This rule ensures uniformity and standardization in the market.

3. Mandatory for Imports

If you are importing weighing or measuring instruments, you must first get Model Approval and also obtain LMPC Certificate registration for import purposes. This rule ensures that foreign products meet Indian quality standards.

4. Compliance with Legal Metrology Act

As per the Legal Metrology Act, 2009, all manufacturers must register for a Legal Metrology Manufacturer License and ensure their products go through the Model Approval process. Failing to do so can result in legal penalties, including fines and product seizure.

5. Builds Trust Among Consumers

A Model Approved device assures customers that the measurement is authentic and verified. This helps businesses build trust and reliability, especially in sectors like retail, transport, and health care.

Who Needs Model Approval?

Model Approval is mandatory for:

• Manufacturers of weighing instruments like electronic scales, platform scales, etc.
  
  

• Manufacturers of measuring devices like water meters, electricity meters, etc.
  
  

• Importers bringing weight and measurement devices into India.
  
  

• Startups are developing innovative measurement devices.
  
  

Step-by-Step Process for Getting Model Approval

Here’s how you can apply for a Model Approval Certificate in India:

Step 1: Develop a Prototype

Design and develop a working prototype of your weight or measurement instrument.

Step 2: Apply to the Legal Metrology Department

Submit an application to the Director of Legal Metrology, Department of Consumer Affairs, along with all required documents.

Step 3: Product Testing

Your prototype will be tested in a Government-approved laboratory (e.g., NABL Lab) for technical accuracy and safety.

Step 4: Approval Certificate Issued

If the product passes the tests, the department will issue a Model Approval Certificate, allowing you to begin manufacturing or import.

Documents Required

• Application Form
  
  

• Technical drawing and specification of the model
  
  

• User Manual
  
  

• Copy of Legal Metrology Manufacturer License or Importer License
  
  

• Test Report from NABL-accredited lab
  
  

• Declaration form
  
  

Role of Corpbiz

At Corpbiz, we specialize in helping manufacturers and importers obtain all necessary legal registrations, including:

✅ Legal Metrology Certificate Registration
✅ Legal Metrology Manufacturer License
✅ LMPC Certificate Registration for Import
✅ Model Approval Certificate for Weight and Measurement Devices

From documentation to government follow-ups, we manage the entire process so you can focus on your business.

FAQ: Model Approval under Legal Metrology

Q1. Is Model Approval mandatory for every type of weighing machine?
Yes, all weighing and measuring instruments used for commercial purposes require Model Approval before they can be sold or used in the market.

Q2. How long is a Model Approval Certificate valid?
Model Approval is usually valid for 5 years, but it can be extended if no technical changes are made to the model.

Q3. Can I manufacture products before getting Model Approval?
No, manufacturing or selling products without Model Approval is illegal and can lead to penalties.

Q4. What is the cost of obtaining Model Approval?
The government fee varies based on the type of product and its specifications. At Corpbiz, we offer affordable package pricing that covers documentation, testing, and follow-up.

Q5. What if my product fails the Model Approval test?
You’ll need to make the necessary technical corrections and reapply for testing.

Final Thoughts

Model Approval is not just a bureaucratic step—it’s a legal requirement and a quality assurance measure. Whether you are a manufacturer or importer, complying with the Legal Metrology rules is essential to keep your business running smoothly and legally.

If you're looking for end-to-end support, Corpbiz is here to help you with all your legal metrology needs—from Legal Metrology Certificate Registration to Model Approval Certificate, ensuring your business stays compliant and competitive.

Author Profile

Atul Shukla
Legal Compliance Specialist, Corpbiz

Atul Shukla is a legal expert at Corpbiz, with in-depth knowledge of Legal Metrology, Model Approval, and product compliance in India. He helps businesses navigate complex registration processes with ease and accuracy.