For domestic manufacturers of mandatory products like steel, cement, helmets, and appliances.
Timeline
4-8 months
Cost
₹1-5L
Factory Inspection
Yes | Mandatory
ISI Certification Process | Step by Step
1
Check Applicability
Use the bischeck.in checker to confirm your product requires ISI certification. Identify the applicable Indian Standard (IS number) | this determines the testing requirements and factory standards you must meet.
2
Prepare Factory Infrastructure
Set up an in-house testing lab, quality control processes, and documentation systems. BIS inspectors verify these during the factory visit. This step typically takes 1-3 months for first-time manufacturers.
3
Get Product Tested at BIS Lab
Send product samples to a BIS-recognized lab for testing against the applicable IS standard. Testing takes 4-8 weeks. Select a lab with experience in your product category for faster turnaround.
4
Apply on BIS Manakonline Portal
Submit application with test report, factory documents (MSME/IEM certificate, manufacturing process flow chart, machinery list), QC manual, raw material supplier list, and trademark registration.
5
BIS Factory Inspection
BIS officers visit your factory (1-3 days) to verify manufacturing capability, QC systems, raw material traceability, and product consistency. Budget ₹10K-₹50K for officer travel expenses.
6
Receive ISI License & Apply Mark
After successful inspection and document review, BIS grants the ISI license (valid 1 year, renewable). Affix the ISI Mark on your products | you can now legally sell in the Indian market.
Products Requiring ISI Mark
650+ product categories across diverse industries require mandatory ISI certification. Key categories include:
✓ TMT Steel Bars & Structural Steel
✓ Cement (OPC, PPC, PSC)
✓ Pressure Cookers
✓ Helmets (2-wheeler)
✓ Electric Ceiling Fans
✓ Gas Stoves (LPG)
✓ Water Heaters (Instant)
✓ PVC Cables & Wiring
✓ Switches (Domestic)
✓ Solar PV Modules
✓ Kitchen Appliances
✓ Safety Glass
✓ Toys (Non-electric)
✓ Footwear
✓ Automotive Tyres & Tubes
✓ Cylinders (LPG)
Documents Required for ISI Application
✓Factory registration / MSME / IEM certificate
✓Manufacturing process flow chart
✓List of machinery and testing equipment
✓Quality control manual & test procedures
✓Raw material supplier list with test certs
✓In-house testing lab calibration records
✓Product technical specifications
✓Company PAN, GST registration, address proof
✓Authorization letter on letterhead
✓Trademark registration (if applicable)
ISI Cost Breakdown
Cost Item
Estimated Amount
Notes
Product Testing at BIS Lab
₹15,000 – ₹3,00,000
Varies by product complexity
BIS Application Fee
₹1,000 – ₹5,000
Non-refundable
Factory Inspection Travel
₹10,000 – ₹50,000
BIS officer travel & accommodation
Annual Marking Fee
₹5,000 – ₹1,00,000
Volume-based, paid annually
Consultant Fee (optional)
₹50,000 – ₹2,00,000
Includes factory audit prep & documentation
Maintaining Your ISI License
Annual Renewal
ISI licenses must be renewed annually. Submit renewal application 3 months before expiry. Late renewal incurs penalties and may require re-inspection.
Surveillance Audits
BIS conducts periodic surprise inspections to verify ongoing compliance. Ensure QC records, calibration logs, and production samples are always audit-ready.
Product Changes
Any change in product design, raw materials, or manufacturing process must be reported to BIS. Significant changes may require re-testing and re-approval.
Frequently Asked Questions
What is ISI Mark certification?
ISI Mark is India's quality certification for manufactured products under BIS Scheme-I. It requires product testing AND factory inspection by BIS officers. Over 650 product categories including steel, cement, pressure cookers, helmets, and electrical appliances require mandatory ISI certification.
Who needs ISI Mark certification?
Indian manufacturers producing products covered under mandatory BIS QCOs. Unlike CRS which is for importers too, ISI is specifically for products manufactured in India across steel, cement, kitchen appliances, safety equipment, electrical goods, and more.
Total timeline: 3-8 months. Lab testing: 4-8 weeks. Factory inspection scheduling: 2-4 weeks. BIS review and grant: 2-4 weeks after inspection. Plan for 6 months minimum.
Is factory inspection mandatory for ISI?
Yes. BIS officers visit your factory to verify manufacturing capability, quality control systems, raw material traceability, and product consistency. This is the key difference from CRS. Inspection takes 1-3 days with officer travel costs borne by the applicant.
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