Almost every product that reaches a modern retail shelf or an e-commerce catalogue carries a barcode, and getting one wrong — or buying a fake one — is a quiet way to have a listing rejected or a consignment held. Yet barcodes are widely misunderstood. They are not a certification, they are not issued by a government regulator, and the black bars themselves are the least important part. What matters is the number underneath: the GTIN.
This guide explains what a GS1 barcode and a GTIN really are, the formats you will meet, where a barcode is genuinely required in India, and how to get licensed numbers from the only body authorised to issue them.
📌 The GTIN is the product's global identity number. The barcode is just the machine-readable picture of it. Your internal SKU is neither — it means nothing outside your own systems. A scanner reads the barcode, extracts the GTIN, and looks it up in a catalogue.
📦 What a GS1 Barcode and a GTIN Actually Are
GS1 is the global not-for-profit organisation that maintains the standards behind retail barcodes worldwide. A GTIN — Global Trade Item Number — is a unique number that identifies one specific product, so that anyone, anywhere, scanning it reads the same identity. The barcode symbol printed on the pack simply encodes that GTIN in bars and spaces a scanner can read.
Because the number is global and unique, it only works if it is issued from a controlled pool. That is why you cannot invent your own: the number must come from a GS1 Company Prefix licensed to your business. Every GTIN you create begins with that prefix, which is what ties the product back to you in GS1's registry.
🔢 The GTIN Formats: EAN-13, UPC, EAN-8 and ITF-14
"Barcode" covers several symbol types, each suited to a different job. Choosing the right one for the right pack is the first practical decision.
- EAN-13 (GTIN-13) — the 13-digit barcode on the consumer pack. This is the retail standard in India and most of the world.
- UPC-A (GTIN-12) — the 12-digit format used mainly for retail in the USA and Canada. Exporters to North America are often asked for this.
- EAN-8 (GTIN-8) — a shorter symbol for very small packs where a full EAN-13 will not fit, allocated sparingly.
- ITF-14 (GTIN-14) — printed on shipping cartons and cases so a whole outer unit can be scanned in the warehouse, separate from the consumer unit inside.
- GS1-128 — carries additional data such as batch number, expiry or weight, used in logistics and for variable-measure goods.
📋 Is a Barcode Mandatory to Sell in India?
For most consumer goods, a barcode is not a legal requirement in the way a BIS licence or an LMPC registration is. It is a commercial requirement, and in practice that is just as binding. The pressure comes from four directions:
- E-commerce marketplaces — Amazon, Flipkart and similar platforms use the GTIN as the key to their product catalogue. Without a valid EAN, most brand-new listings cannot be created.
- Organised retail — supermarket and chain-store point-of-sale systems scan at the till, so a product without a working barcode simply cannot be sold there.
- Exports — overseas retailers and importers routinely demand a GS1 GTIN before they will stock a product, and North American buyers may specifically ask for UPC.
- Regulated flows — some sectors carry an actual mandate: barcoding on export pharmaceutical packaging under the track-and-trace rules is the clearest example.
So while there is no single law that says "every product must have a barcode", the channels a product needs to reach almost always insist on one.
🛠️ Step-by-Step: Getting GS1 Barcodes in India
- Apply to GS1 India for membershipGS1 India is the single authorised issuer. You apply for a barcode subscription based on your business turnover and the number of barcodes you expect to need.
- Submit your business documentsProvide GST/PAN, business registration or Udyam (MSME) proof, address proof and a cancelled cheque, along with the list of products to be barcoded.
- Pay the fee and receive your Company PrefixOnce verified, GS1 India licenses a GS1 Company Prefix to your business — the unique root of every GTIN you will create.
- Allocate a GTIN to each productAssign one unique number to every sellable item and variant. Keep a master register so a number is never reused for a different product.
- Generate the barcode artworkProduce the correct symbol (usually EAN-13) at the right size and quiet-zone margins, and place it on the pack artwork.
- Verify print quality before mass printingCheck the printed barcode scans cleanly on the actual substrate — a barcode that fails at the till is worse than none at all.
- Load product data and renew on timeRegister the product details with GS1 (and each marketplace catalogue), and renew your subscription so the numbers stay active and verifiable.
🗂️ Documents Required for GS1 Registration
The document set is light compared with a certification, but it must establish who the business is and that it is entitled to the prefix:
- PAN of the business or proprietor.
- GST registration certificate.
- Business constitution proof — incorporation certificate, partnership deed or Udyam / MSME registration.
- Address proof of the registered place of business.
- A cancelled cheque or bank statement of the business account.
- Audited balance sheet or turnover declaration, since the fee tier is turnover-based.
- The list of products (and variants) to be assigned GTINs.
💰 What GS1 Barcodes Cost
GS1 India does not charge a single flat price. The fee is a subscription built from a few variables, so two businesses rarely pay the same amount:
Company turnover
Fees are tiered by annual turnover, with lower slabs for small and micro enterprises.
Number of GTINs
The block of barcodes you need — a handful of products costs far less than thousands of SKUs.
Subscription years
Membership is usually taken for one, two or three years, with the annual charge applying across the term.
One-time + annual
Typically a one-time registration component plus a recurring annual subscription to keep numbers live.
Because GS1 India revises its schedule from time to time, treat any figure you see quoted online as indicative and confirm the current slabs directly with GS1 India before budgeting. The important principle is that a barcode is an ongoing subscription, not a once-and-forever purchase — which is exactly why the cheap "lifetime" barcodes sold by resellers are a false economy.
⏱️ Timeline & Key Numbers at a Glance
Once the paperwork and fee are in, the company prefix is usually issued within a few working days and you can generate barcodes at once. Keep one eye on the future too: under the global "Sunrise 2027" initiative, retail scanners are moving toward reading 2D symbols — QR codes carrying a GS1 Digital Link — alongside the classic bars, so new artwork is increasingly being designed with that transition in mind.
⚠️ Common Barcode Mistakes
- Buying "cheap" numbers from a reseller instead of licensing a genuine GS1 prefix — these fail marketplace verification and cannot be traced to your company.
- Reusing one GTIN across several variants, so two different products scan as the same item.
- Printing the symbol too small, without the required quiet-zone margins, or on a poor-contrast background, causing scan failures at the till.
- Forgetting a separate GTIN-14 for the outer carton, so cases cannot be scanned in the warehouse.
- Letting the GS1 subscription lapse, which de-activates the numbers and breaks verification.
🔗 Related Registrations Alongside Barcodes
A barcode rarely travels alone. Depending on the product and market, it usually sits beside:
- LMPC registration (Legal Metrology) — pre-packaged goods must carry MRP, net quantity, importer/manufacturer details and country of origin, over and above the barcode.
- Importer-Exporter Code (DGFT) — mandatory for any importer or exporter of record.
- BIS certification (CRS or ISI) — where the product itself falls under a mandatory Quality Control Order.
- FSSAI licence — for food products, alongside food-specific labelling.
❓ Frequently Asked Questions
Is a barcode legally mandatory to sell a product in India?
For most consumer goods a barcode is not a legal requirement the way a BIS licence or an LMPC registration is. It is a commercial requirement: organised retail and e-commerce marketplaces will not list or scan a product without a valid GTIN. Certain regulated flows — notably barcoding on export pharmaceutical packaging — are separately mandated, but the everyday driver is retailer and marketplace acceptance.
What is the difference between a barcode, a GTIN and an SKU?
The GTIN is the unique number that identifies the product worldwide. The barcode is only the machine-readable symbol that encodes that number. An SKU is your own internal stock code and has no meaning outside your systems. A retailer scans the barcode, reads the GTIN, and matches it to a catalogue entry.
Who issues genuine GS1 barcodes in India?
GS1 India is the sole authorised body that licenses GS1 Company Prefixes and allocates GTINs in India, as the national member of GS1 global. Numbers bought from third-party resellers may work at a scanner but are not licensed to your company, cannot be verified against GS1's registry, and are routinely rejected by large retailers and marketplaces.
How many GTINs do I need?
One unique GTIN for every distinct sellable item — each product, and each variant of size, flavour, colour or pack count. A shampoo in 200 ml and 400 ml is two GTINs. If you also sell cartons or cases as a unit, the outer case needs its own GTIN-14, separate from the consumer unit inside it.
Which barcode format should I print — EAN-13 or UPC?
For retail sale in India and most of the world, EAN-13 is the standard on the consumer pack. UPC-A (12 digits) is used mainly for North American retail, so exporters to the USA and Canada may be asked for it. Shipping cartons carry ITF-14, and logistics or variable-measure applications use GS1-128.
How long does GS1 registration take and how long is it valid?
Once the application and documents are complete and the fee is paid, GS1 India typically allocates the company prefix within a few working days, after which you can generate barcodes immediately. Membership is a subscription — commonly taken for one to three years — and must be renewed to keep the allocated numbers active and verifiable.
Do I need a new barcode for every marketplace?
No. One GTIN identifies the product everywhere. The same EAN-13 is used on Amazon, Flipkart, at retail and for export. What each marketplace maintains is its own catalogue entry keyed to that GTIN, so you register the product once and reuse the number across every channel.
Barcodes, GTINs and the Registrations Around Them
Global Approbation helps manufacturers, importers and exporters set up genuine GS1 barcodes and align them with LMPC, DGFT, BIS and FSSAI requirements — so your product is ready for retail, marketplace and export in one coordinated step.
Talk to Our Team Global Market Access