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If you are planning to manufacture or import domestic water meters in India you need to pause for a moment.
Before anything begin ask yourself one question: do you have BIS certification under IS 779:1994?
Because if the answer is no, you cannot legally sell the product in India.
Domestic water meters are now covered under the Water Meters and Accessories (Quality Control) Order 2024 issued by the Ministry of Commerce and Industry under the Bureau of Indian Standards Act 2016. This order makes compliance with IS 779:1994 mandatory. The meter must carry the ISI mark under a valid BIS licence.
This is not a voluntary quality badge. It is a legal requirement.
Think about what a domestic water meter actually does.
It measures potable water supplied to homes. That reading determines billing. Municipal revenue depends on it. Consumers trust it.
Because of this, the Government requires a uniform standard.
IS 779:1994 lays down the rules for construction, accuracy, performance, pressure tolerance, and marking of domestic type water meters up to 50 mm nominal size with threaded ends.
BIS Registration for Ferrules for water services IS 2692: 1989
When you read the standard carefully, you will notice it focuses heavily on performance and measurement accuracy.
It covers:
Your water meter must perform within specified accuracy limits at minimum, transitional, and maximum flow rates.
It must withstand internal pressure testing without leakage.
It must carry required markings such as manufacturer name, nominal size, class, serial number and year of manufacture
If even one critical parameter fails during testing your approval stops there
If you manufacture domestic water meters in India, you must apply under BIS Scheme-I.
If you import water meters, the foreign manufacturer must obtain BIS certification before the product can be sold in India.
There is no workaround through distributors. Certification is product-specific and manufacturer-specific.
The ISI mark can only be applied after BIS grants a Certification Mark Licence (CM/L).
Misuse of the mark is a punishable offence.
Let me explain this in practical terms.
Ensure your product is clearly a “domestic type” water meter under IS 779:1994. Avoid confusion with other categories.
You must send samples to a BIS-recognised laboratory.
Testing generally includes:
If your meter does not meet the required error margins, it will fail.
You will then need to adjust design or calibration and test again.
This is where many manufacturers become careless.
You will need:
Everything must align. If your factory process differs from what you submitted, inspection becomes difficult.
You submit the application through the BIS Manak Online portal. Accuracy in this stage prevents unnecessary queries.
BIS officials will visit your facility.
They will examine:
They may draw samples during inspection.
You must be inspection-ready at all times, not temporarily prepared.
If BIS is satisfied, they issue the Certification Mark Licence.
Only then can you legally affix the ISI mark.
BIS Registration or Certificate for UPS and Inverter in India
This is important.
BIS conducts surveillance inspections.
You must maintain consistency.
You must keep records updated.
You must renew your licence before expiry.
If quality drops, suspension can happen.
Certification is continuous discipline.
From experience, problems arise because:
These are preventable issues. But they require attention.
You can handle BIS registration independently. Some companies do.
But if you want fewer corrections, fewer rejections and smoother inspections, professional guidance helps
Agile Regulatory assists you in:
If you want the process handled with clarity and control Agile Regulatory is a strong and dependable option
BIS certification for domestic water meters under IS 779:1994 is mandatory in India under the Water Meters and Accessories (Quality Control) Order 2024 issued under the Bureau of Indian Standards Act 2016
But it also demands preparation, technical discipline and procedural accuracy from you
If you want to approach this process without confusion and avoid unnecessary delays, speak with Agile Regulatory. With the right guidance you can move through testing, inspection, and approval with confidence
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Divya Saxena
20 Feb, 2026
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20 Feb, 2026
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19 Feb, 2026
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19 Feb, 2026
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