GST, simplified.
Plain-language guides to everything Indian businesses need to know about GST. Updated for 2026.
What is GST? The complete guide
GST explained from the basics — what it is, who pays it, how it replaced 17 old taxes.
Read guideजीएसटी क्या है? पूरी गाइड
जीएसटी की पूरी जानकारी — यह क्या है, कौन भरता है, 17 पुराने करों से कैसे अलग है।
Read guideHow to calculate GST — with examples
Tax-inclusive vs tax-exclusive, cess, multi-rate invoices, reverse engineering — all explained.
Read guideGST invoice rules — every field explained
Rule 46 mandatory fields, invoice number rules, timing rules, and what happens if you miss.
Read guideHSN code — what, why, and how to find yours
4-digit, 6-digit, 8-digit — which applies to you? Turnover thresholds, finding codes, mistakes to avoid.
Read guideCGST vs SGST vs IGST — the difference
Intra-state vs inter-state, place of supply, practical examples for goods and services.
Read guideGSTIN structure decoded — what the 15 characters mean
State code, PAN, entity number, check digit — decode any GSTIN in 30 seconds.
Read guideGST for freelancers — what you need to know
Threshold, export of service, LUT, TDS, presumptive tax — the full freelancer tax playbook.
Read guideInvoice vs Bill of Supply — which do you issue?
Regular vs composition dealer, exempt supplies, penalties for the wrong format.
Read guideReverse charge mechanism (RCM) basics
When the buyer pays GST instead of the seller. Common RCM scenarios and how to invoice them.
Read guide