Understanding GST Slabs in India

GST slabs are the different tax rate bands that India's Goods and Services Tax (GST) system applies to different categories of goods and services. Rather than charging a single flat rate on everything, GST groups products and services into bands, so that essentials can be taxed lightly and luxury or non-essential items can be taxed more heavily.

The specific rates and the number of slabs are decided — and periodically revised — by the GST Council, a body made up of central and state government representatives. Because these rates change over time, this guide focuses on explaining how the slab system works rather than treating any single rate list as permanent. Use our 18% GST Calculator or 5% GST Calculator to work with current rates directly.

GST is charged on the supply of most goods and services in India. For a transaction within the same state, the rate is typically split between CGST (Central GST) and SGST (State GST), each taking half of the applicable rate. For a transaction between two different states, the full rate is charged as IGST (Integrated GST) instead. Either way, the total tax rate paid by the end consumer is the same — only how it's divided between central and state governments changes.

The GST Council reviews the rate structure periodically and can add, remove, merge, or shift which slab a product or service falls under. A significant restructuring took effect in September 2025, which simplified the slab structure and moved many products between rates. This is a useful illustration of a broader point: GST slabs are not fixed forever, and a guide like this one should be read as an explanation of the system, not a permanent price list.

India's GST slab system is designed around the idea that not all consumption should be taxed equally. Essential goods and services — the things households need regardless of income — are kept at lower rates so they stay affordable. Non-essential, luxury, or "sin" goods are taxed more heavily, partly to raise revenue and partly to discourage excessive consumption of items like tobacco or high-end luxury products.

This tiered approach also gives the GST Council flexibility: when the government wants to make a category of goods more affordable (for example, certain healthcare or household items), it can move that category to a lower slab without redesigning the entire tax system. That's part of why the slab boundaries shift periodically rather than staying fixed.

GST applies to both goods and services using the same set of slabs, but classification works a little differently for each. Goods are classified using an HSN (Harmonized System of Nomenclature) code, while services are classified using an SAC (Services Accounting Code). Both codes determine which GST rate applies to a specific supply.

Most standard services — such as many professional, consulting, and digital services — fall under the 18% standard rate as a general pattern, though this is an example rather than a rule that applies universally to every service. Some specific services carry different rates or exemptions depending on their nature. As with goods, the only reliable way to confirm the rate for a specific service is to check its SAC classification against current official guidance.

A GST-inclusive price already has the tax built into the number shown to the customer — this is standard on most retail receipts, where the final price already accounts for GST. A GST-exclusive price shows the base amount only, with GST added separately as a line item — this is standard on B2B invoices, where the tax needs to be itemized for input tax credit purposes.

Confusing the two is a common source of billing errors: applying the exclusive formula to a price that's already inclusive (or vice versa) will produce an incorrect result. See our dedicated Inclusive vs Exclusive GST guide for a full breakdown with formulas and worked examples.

Because GST rates and product classifications change periodically, the safest approach for any specific product or service is to check its rate directly rather than relying on a general list — including this one. Practical ways to confirm the current rate:

• Look up the applicable HSN code (goods) or SAC code (services) on the official GST Portal (gst.gov.in).
• Check current rate notifications published by the CBIC (cbic.gov.in).
• Review the invoice or classification your supplier or accounting software already applies, since businesses are required to keep this current.
• Consult a tax professional or chartered accountant for anything with meaningful financial or compliance stakes.

This is especially important for businesses issuing invoices, since applying an outdated or incorrect rate can create compliance issues.