IS 16444 BIS Certification
2 products must be certified by BIS against IS 16444 and carry the ISI mark. Find your product and its exact part below.
Products under IS 16444
| Product | Part / edition | Scheme |
|---|---|---|
| A.C. Static Direct Connected Watt Hour Smart Meter Class 1 and 2 | IS 16444 Part 1 | ISI mark |
| A.C. Static Transformer Operated Watt Hour and Var-Hour Smart Meters, Class 0.2S, 0.5S and 1.0S | IS 16444 Part 2 | ISI mark |
Parts of IS 16444 at a glance
| Part | Current edition | Amendments | Operative ISI licences | Min. marking fee (large unit) |
|---|---|---|---|---|
| IS 16444 Part 1 A.C. Static Direct Connected Watt Hour Smart Meter Class 1 and 2 | IS 16444 (Part 1):2015 | 4 | 79 | ₹5,60,000 |
| IS 16444 Part 2 A.C. Static Transformer Operated Watt Hour and Var-Hour Smart Meters, Class 0.2S, 0.5S and 1.0S | IS 16444 (Part 2):2017 | 1 | 29 | ₹4,07,000 |
Details by part
IS 16444 Part 1 A.C. Static Direct Connected Watt Hour Smart Meter Class 1 and 2
Editions and amendments of IS 16444 Part 1
| Edition | Published | Status |
|---|---|---|
| IS 16444 (Part 1):2015 AC static direct connected watthour smart meter class 1 and 2 - Specification | 31 Aug 2015 | Current, next review 1 Jan 2025 |
Amendments:First Amendment (2017), Second Amendment (2019), Third Amendment (2023), Fourth Amendment (2026). Test reports must reflect the standard with its amendments.
Marking fee for IS 16444 Part 1
BIS charges an annual minimum marking fee for the ISI mark under IS 16444 Part 1, set by unit size, plus a per-unit rate once production passes the minimum:
| Unit size | Minimum marking fee (per year) |
|---|---|
| Large | ₹5,60,000 |
| Medium | ₹4,48,000 |
| Small | ₹2,80,000 |
| Micro | ₹1,12,000 |
Unit rate: ₹1 per piece. Source: BIS marking fee schedule for Scheme-I products, September 2026.
Sampling and key tests for IS 16444 Part 1
From the BIS product manual for IS 16444 Part 1 (October 2026), which BIS officers and applicants follow for certification:
Sample quantity:3 No.
Tests BIS can carry out in a day during factory inspection:
- 1. Metering and Constructional Requirements
The full type test covers every clause of IS 16444 Part 1; the list above is what can be checked on site.
ISI licences under IS 16444 Part 1
BIS records 79 operative licences (81 including deferred, cancelled or under stop marking). Most licensed factories are in Uttar Pradesh (12), Haryana (11), Telangana (10), Karnataka (8), Rajasthan (7).
IS 16444 Part 2 A.C. Static Transformer Operated Watt Hour and Var-Hour Smart Meters, Class 0.2S, 0.5S and 1.0S
Editions and amendments of IS 16444 Part 2
| Edition | Published | Status |
|---|---|---|
| IS 16444 (Part 2):2017 AC static transformer operated watthour and var - Hour smart meters, class 0.2 S, 0.5 S and 1.0 S: Part 2 specification transformer operated smart meters | 30 Apr 2017 | Current, next review 1 May 2030 |
Amendments:First Amendment (2019). Test reports must reflect the standard with its amendments.
Marking fee for IS 16444 Part 2
BIS charges an annual minimum marking fee for the ISI mark under IS 16444 Part 2, set by unit size, plus a per-unit rate once production passes the minimum:
| Unit size | Minimum marking fee (per year) |
|---|---|
| Large | ₹4,07,000 |
| Medium | ₹3,26,000 |
| Small | ₹2,03,500 |
| Micro | ₹81,400 |
Unit rate: ₹6.38 per piece. Source: BIS marking fee schedule for Scheme-I products, September 2026.
Sampling and key tests for IS 16444 Part 2
From the BIS product manual for IS 16444 Part 2, which BIS officers and applicants follow for certification:
Sample quantity:Three meters. 1 sample for Protocol testing, 1 sample for
Tests BIS can carry out in a day during factory inspection:
- General and Constructional Requirements (Cl.6.1, CL.6.2)
- a.c. High Voltage Test (Cl.6.10.6)
- Insulation Test (Cl.6.10.6)
- Accuracy Requirements (Limits of Error) (Cl.6.12)
- Test of starting condition (Cl.6.12)
- Test of no-load condition (Cl.6.12)
- Power Consumption (Cl.6.10.1)
- Display (Cl.9.3)
- Smart Meter Functional requirements (Cl.10)
The full type test covers every clause of IS 16444 Part 2; the list above is what can be checked on site.
ISI licences under IS 16444 Part 2
BIS records 29 operative licences (29 including deferred, cancelled or under stop marking). Most licensed factories are in Telangana (4), Karnataka (4), Haryana (4), Uttar Pradesh (3), Rajasthan (3).
Notifying orders
- 79 . Smart Meters (Quality Control) Order, 2023, S.O. 3154(E), dated 14th July 2023 · PDF
How to get an ISI mark licence under IS 16444
The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.
- Confirm the exact Indian Standard and the varieties to cover
- Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
- Apply on Manak Online with factory, quality-control and test documents
- BIS factory inspection and sample verification
- Grant of licence, then marking with the ISI mark and CM/L number
Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).
Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.
Frequently asked questions
Is BIS certification mandatory for products under IS 16444?
Yes, for the 2 products listed on this page. Each is notified by a government order and needs a valid BIS licence (ISI mark) before it can be made, imported or sold in India. Other products that merely use IS 16444 are not automatically covered.
Which part of IS 16444 applies to my product?
IS 16444 has 2 parts or editions referenced in BIS orders. Find your product in the table above to see its exact part. Where a product is covered by more than one standard, all of them apply.
How long does ISI mark under IS 16444 take?
BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.
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