A plain-English guide to GST in India.
A chapter-by-chapter GST guide, an HSN/SAC rate finder, an A–Z glossary, a due-date calendar, and answers to the GST questions people and consultants actually search for. No account, no consultation pitch, no filing service.
What's Here
24
Guide chapters, registration to penalties
60+
HSN/SAC codes in the rate finder
32+
Real questions answered
36+
Terms in the A–Z glossary
Run the numbers.
GST Calculator
Add or remove GST and split it into CGST + SGST or IGST.
Calculate →GSTR-3B Calculator
Cash payable after ITC set-off, plus credit carried forward.
Calculate →ITC Reversal (Rule 42)
Common credit on exempt supplies — D1, D2 and net credit.
Calculate →Late Fee & Interest
Estimate GSTR-3B late fee and interest on delayed tax payment.
Calculate →Registration Threshold
See whether GST registration is mandatory for you.
Check →Which Return Do I File?
Your return checklist by registration type and turnover.
Find out →GST Rate Finder
Look up GST rates by HSN/SAC code or item description.
Search Rates →Due Date Calendar
Every GST return — GSTR-1, 3B, CMP-08, annual returns — and when it's due.
View Dates →What people search for most.
The ready reckoner, chapter by chapter.
- 01 What is GST? A Plain-English Introduction GST replaced a stack of separate central and state taxes with one indirect tax on the supply of goods and services, collected at e...
- 02 GST Registration: Who Needs It and How It Works GST registration becomes mandatory once turnover crosses a threshold, or for certain categories of business regardless of turnover...
- 03 The Composition Scheme, Explained A simplified GST option for small taxpayers who pay tax at a flat rate on turnover, in exchange for fewer returns and no Input Tax...
- 04 Types of GST Returns: A Quick Reference GST has different return forms for different taxpayer types and purposes — this chapter maps out which form does what.
- 05 Input Tax Credit (ITC): How It Works ITC lets a registered business offset the GST it paid on business purchases against the GST it owes on its own sales — the mechani...
- 06 E-Way Bills: When You Need One An E-Way Bill is an electronic document required for moving goods above a value threshold — this chapter covers when it applies an...
We're not trying to sell you anything.
Most GST content online exists to funnel you into a consultant's contact form. This site doesn't file returns, doesn't take leads, and doesn't have a "book a call" button — it's reference material, kept accurate and easy to search.
- No sign-up or account needed to use any tool.
- No filing service, no consultation pitch, no leads collected.
- Rates and due dates dated with a "last verified" note — always cross-checkable against gst.gov.in.
Recent GST notes.
What Is the QRMP Scheme and Should You Opt In?
The QRMP scheme lets smaller GST taxpayers file GSTR-1 and GSTR-3B once a quarter while paying tax every month...
Read article → Registration · Aug 2026How to Amend a GST Registration Certificate: Core vs Non-Core Changes
Your GST registration details often change as a business grows: a new address, another branch, a new partner,...
Read article → GST Updates · Aug 2026GSTN Puts Mandatory Ship-To GSTIN and New E-Way Bill Closure Facility on Hold
GSTN has put its planned Ship-to GSTIN validation and e-Way Bill closure feature on hold just before their Aug...
Read article →