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✅YES — BIS Certification RequiredLast verified: April 2026

BIS Certification for Stampings/laminations/cores of transformers (with or without winding)

Yes, Stampings/laminations/cores of transformers (with or without winding) requires mandatory BIS ISI certification under IS 3024:2015; IS 648:2006; IS 16585 : 2016 for manufacture, import, and sale in India. Estimated cost: ₹72K-₹304K. Timeline: 12-26 weeks. Check requirements, find testing labs, and get expert help.

Certification
ISI
Standard
IS 3024:2015; IS 648:2006; IS 16585 : 2016
Estimated Cost
₹72K–304K
Timeline
12–26 weeks
HSN Code
8504
QCO Number
S.O. 1673(E)
Effective Date
27 May 2020

Cost Breakdown — Stampings/laminations/cores of transformers (with or without winding) BIS Certification

Testing Fees
Product testing at BIS-recognized NABL lab
₹19K–98K
BIS Application Fee
One-time government application fee
₹1K
Marking Fee (Annual)
Annual fee based on production volume
₹5K–100K
Consultant Fee (Optional)
If using an expert to handle the process
₹30K–100K
Total Estimated₹72K–304K

Costs vary by lab, product variant, and volume. Detailed calculator →

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How to Get BIS ISI Certification for Stampings/laminations/cores of transformers (with or without winding)

1
Submit Application
Apply online at manakonline.bis.gov.in with factory details and product documentation.
2
Factory Inspection
BIS officer visits your factory to assess manufacturing process and quality control.
3
Product Testing
Samples drawn during inspection, sent to BIS lab for testing against IS 3024:2015; IS 648:2006; IS 16585 : 2016.
4
License Granted
ISI mark license granted. Products can carry ISI logo. Periodic surveillance follows.

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Average ISI certification takes 12-26 weeks. Experts cut it by 30%.

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Testing Labs for Stampings/laminations/cores of transformers (with or without winding)

SWASTIK ELECTRONICS TESTING CENTRE (OPC) PVT. LTD., GHAZIABAD
BIS
Plot No-16, Mainapur Industrial Area, Ghaziabad, Uttar Pradesh 201003
₹12K–70K~7 weeks⭐ 0
Nemko India (Test Lab) Pvt. Ltd., Faridabad
BIS
Plot No 193, Sector 68, IMT Faridabad, Faridabad, Haryana, India - 121004
₹12K–70K~7 weeks⭐ 0
Unique Test House LLP, Mohali
BIS
VILLAGE:-SARSINI, PO:-LALRU, MOHALI, S.A.S Nagar, Punjab, India - 140501
₹12K–70K~7 weeks⭐ 0
ELECTRONICS REGIONAL TEST LABORATORY (EAST) - ERTL (STQC), Kolkata
BIS
BLOCK-DN-63, SECTOR-V, SALT LAKE CITY, KOLKATA-700091, West Bengal, India - 700091
₹10K–60K~8 weeks⭐ 0
View all 422+ testing labs →

Frequently Asked Questions

Is BIS certification mandatory for Stampings/laminations/cores of transformers (with or without winding)?
Yes, Stampings/laminations/cores of transformers (with or without winding) (HSN 8504) requires mandatory BIS ISI certification under Indian Standard IS 3024:2015; IS 648:2006; IS 16585 : 2016. Products sold without valid BIS certification may face customs seizure, marketplace delisting (Amazon/Flipkart), and penalties.
What is the cost of BIS certification for Stampings/laminations/cores of transformers (with or without winding)?
The total estimated cost is ₹72,143–₹303,900. This includes testing fees (₹19,238–₹98,120), BIS application fee (₹1,000), and annual marking fee.
How long does BIS ISI certification take?
Typically 12–26 weeks from application to certification. This includes testing (10–24 weeks) and BIS processing (1–2 weeks).
What happens if I sell Stampings/laminations/cores of transformers (with or without winding) without BIS certification?
Selling Stampings/laminations/cores of transformers (with or without winding) without valid BIS certification can result in: customs seizure of imported goods, delisting from Amazon/Flipkart, fines up to ₹5 lakh, and potential imprisonment under the BIS Act.

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