Goods and Services Tax, commonly known as GST, is an indirect tax system used in India. For business owners, understanding how GST works is important for invoicing, tax collection, input tax credit and periodic return filing.
What Does GST Stand For?
GST stands for Goods and Services Tax. It is an indirect tax collected by businesses from customers and paid to the government rather than a tax charged directly on income.
Why Was GST Introduced?
Before GST, India had several indirect taxes with different rules. GST replaced this patchwork with a unified framework intended to simplify taxation across the supply chain.
How Does GST Work?
GST is charged at stages of the supply chain. A registered business can generally claim eligible input tax credit for GST paid on purchases, meaning tax is effectively applied to the value added at each stage.
CGST, SGST and IGST
CGST and SGST apply to intra-state transactions, with the tax split between the central and state governments. IGST applies to inter-state supplies and is collected by the central government.
GST Rate Slabs
GST rates vary by category, and the slab structure was significantly simplified under "GST 2.0," effective from 22 September 2025. The current main slabs are 0% (essential goods and services), 5% (mass-consumption items), and 18% (standard rate, which now also covers most goods previously taxed at 12%). A 40% de-merit rate applies to luxury and sin goods such as tobacco, aerated drinks and large vehicles, in place of the earlier 28% slab plus cess. A few special rates (such as 3% on gold, silver and jewellery, and 0.25% on rough precious stones) also apply. Because rates can change through government notifications, businesses should confirm the current applicable rate on the official GST portal before invoicing.
Who Needs to Register for GST?
Registration requirements depend on factors including turnover, business type and the nature of supplies. Certain businesses may have registration obligations even when turnover is below a general threshold. Businesses should verify the current rules applicable to their situation.
What Are GST Returns?
GST returns report information such as sales, purchases and tax collected or paid. GSTR-1 covers outward supplies, while GSTR-3B is a summary return used for tax payment and reporting.
What Happens If a Business Does Not Comply?
Late or incorrect filing can lead to late fees, interest and other compliance consequences. Businesses should maintain accurate records and file returns on time.
Frequently Asked Questions
Is GST the same in every state?
The GST framework is national, while intra-state transactions involve CGST and SGST. Specific rules and rates should be checked against current government notifications.
What is the turnover limit for GST registration?
The applicable threshold depends on the type of business, state and other conditions and can change. Businesses should verify the current threshold for their category.
What happens if GST returns are filed late?
Late filing can result in late fees and interest and may affect compliance and input tax credit.
Can I claim GST paid on purchases?
Eligible registered businesses can generally claim input tax credit for GST paid on qualifying business purchases.
Does GST apply to services?
Yes. GST applies to both goods and services.
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