Different reporting scope
Several GSTINs may sit under one PAN, while a comparison may accidentally use only one registration or one return table.
Business Tax Guide · FY 2025-26
GST turnover and ITR turnover can differ. The gap needs a bridge.
A plain-language guide to comparing GST returns, books of account, marketplace reports and business ITR figures—without treating every difference as wrongdoing.
Official sources linkedPractical bridge formatWritten for Indian businesses
Fact-checked 3 August 2026
The short answer
Must GST turnover and ITR turnover match exactly?
Quick answer
Not in every case. GST returns report supplies under GST rules, while business income for the ITR is computed from the taxpayer's records under income-tax rules. The figures should tell a consistent story, but scope, timing and valid adjustments can create differences. The correct response is a documented reconciliation—not forcing one number into both returns.
Why the rules differ: CBIC explains that GST “aggregate turnover” is PAN-based and includes taxable supplies, exempt supplies, exports and inter-State supplies while excluding GST taxes. Income-tax Section 145 computes business income using the cash or mercantile method regularly followed by the taxpayer. Read the CBIC GST FAQs.
Compare the right concepts
“GST turnover” is not one universal number
The comparison depends on what you are measuring. Aggregate turnover for GST registration, taxable outward supplies in a return and sales or gross receipts in an ITR are related—but not interchangeable.
| Question | GST side | Income-tax side |
|---|---|---|
| What is being measured? | Supplies reported under GST, with separate treatment for taxable, exempt, zero-rated and other categories. | Sales, turnover or gross receipts and the resulting business income in the taxpayer's books and ITR schedules. |
| Whose activity is included? | Aggregate turnover is computed across registrations under the same PAN on an all-India basis. | The return reports the income of the assessee filing it, with the applicable business or professional schedules. |
| When is it recognised? | GST reporting follows invoice, time-of-supply and return-period rules. | Business income follows the accounting method regularly employed, subject to the Income-tax Act and applicable standards. |
| How are adjustments handled? | Credit notes, debit notes, amendments, advances and later-period disclosures may affect return figures. | Sales returns, income recognition, year-end entries and tax-computation adjustments affect the books and ITR figures. |
| Is GST itself turnover? | GST aggregate turnover excludes CGST, SGST, UTGST, IGST and cess. | Do not guess from a tax-inclusive or tax-exclusive ledger. The accounting and Section 145A treatment should be reviewed consistently. |
Common explanations
Why the two figures may differ
Exempt or zero-rated supplies
These can form part of GST aggregate turnover even though they are not included in the same taxable-supply field being compared.
Timing and year-end cut-off
An invoice, advance, service completion or accounting entry may fall into different periods under GST and the regularly followed accounting method.
Returns and credit notes
Sales returns, cancellations, credit notes and amendments can be reported or recognised in a later tax period.
Net marketplace payouts
Amazon, Flipkart, Meesho or payment-gateway settlements can be net of fees, returns, shipping and TDS. Net payout is not automatically gross sales.
Non-revenue movements
Loans, capital introduced, own-account transfers, refunds and some asset transactions can appear in bank or GST records without being ordinary sales revenue.
Return evidence: the GST portal's GSTR-9 manual shows separate annual-return treatment for advances, outward supplies and later-year declarations. Registered persons must also maintain supporting invoices, credit notes, debit notes and related records under the GST accounts and records rules.
Six-step reconciliation
Build an explanation that another reviewer can follow
Use the same financial year, PAN and business scope throughout. Preserve the exports and working paper used for the final return.
Fix the scope
List the taxpayer, financial year, all GSTINs, branches, marketplaces and business bank accounts.
Export the returns
Collect GSTR-1, GSTR-3B and GSTR-9 where applicable, including amendments and credit notes.
Freeze the books
Export the sales ledger, trial balance or receipts summary after year-end entries are reviewed.
Prepare a bridge
Record each difference by category: scope, timing, return, tax component, marketplace deduction or correction.
Cross-check evidence
Compare bank statements, invoices, platform reports, AIS and Form 26AS without treating any single source as complete.
Resolve real errors
Correct the books or return only after confirming what is wrong, the available route and the applicable time limit.
Working-paper format
What a useful reconciliation should show
| Bridge line | What to record | Evidence |
|---|---|---|
| Starting figure | State exactly which books or GST figure begins the bridge and for which period. | Sales ledger, GSTR-1 summary or annual-return working. |
| Scope adjustments | Add or remove registrations, exempt supplies or non-business items so both sides cover the same activity. | GSTIN list, branch ledger and supply classification. |
| Timing adjustments | Identify invoices, advances, credit notes or returns recognised in different periods. | Invoice dates, credit notes, contracts and ledger entries. |
| Platform adjustments | Bridge gross orders to returns, cancellations, fees, TDS and the final settlement. | Order, return, fee and settlement reports. |
| Closing figure | Show how the adjusted amount reaches the figure used in the books or ITR computation. | Final trial balance, profit and loss account or ITR working. |
A bridge explains a difference; it does not legalise an incorrect entry. Material or unresolved differences should be reviewed by a qualified tax professional before filing or revising a return.
Review these first
Warning signs that deserve attention
Possible missing turnover
- One GSTIN, branch or marketplace is absent
- Gross online sales were replaced by net bank payouts
- AIS or Form 26AS contains unmatched business receipts or TDS
- Cash or UPI sales do not appear in the sales summary
Possible classification problem
- GST collected is mixed with revenue without a consistent policy
- Own-account transfers or loans are classified as sales
- Credit notes and returns are recorded twice or not at all
- Earlier-year amendments are included in the wrong financial year
Common questions
GST and ITR reconciliation FAQs
Not always. GST returns and an income-tax return are prepared under different rules and can differ because of scope, timing, credit notes, advances, multiple GST registrations, accounting treatment or other documented adjustments. The difference should be reconciled rather than assumed to be an error.
There is no single GST field that works for every business. Start with outward-supply details in GSTR-1, compare the liability reported in GSTR-3B, use GSTR-9 where applicable, and reconcile those figures with the sales ledger and income-tax computation for the same financial year.
No. Bank credits can include loans, capital introduced, transfers between own accounts, refunds, tax receipts or other non-sales items. They are useful evidence, but every credit must be classified before deciding turnover.
Not necessarily. A marketplace payout is commonly net of returns, commission, shipping, TDS and other deductions. Reconcile the detailed order, return and settlement reports instead of treating the bank payout as gross sales.
No. A difference can have a valid explanation, and a mismatch does not by itself prove under-reporting. However, an unexplained difference can create questions, so businesses should retain a year-wise reconciliation and supporting records.
Primary references
Official sources used for this guide
Income Tax Department: Section 145—method of accounting, Section 145A—method in certain cases, AY 2026-27 business-income return guidance, and the AIS FAQs. GST authorities: CBIC GST FAQs, GST portal GSTR-9 manual, and GST accounts and records rules.
Last reviewed 3 August 2026. This page provides general education, not a conclusion for a particular taxpayer. Return form, audit, revision and accounting treatment depend on the facts and law applicable to the case.
From mismatch to explanation
Reconcile before the return is filed—not after a question arrives.
Tell us your business type, number of GST registrations and approximate difference. We will send the relevant record list before asking for documents.