In simple words: This article explains the return from a practical filing perspective—what information belongs in it, which records should support it, how to reconcile it and what can go wrong if the data is reported incorrectly.
1. 1. Turnover reconciliation
Books turnover ↔ GSTR-1/1A ↔ GSTR-3B ↔ GSTR-9 Tables 4/5.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
2. 2. Tax reconciliation
Output tax as per books ↔ GSTR-1 ↔ GSTR-3B ↔ tax payment ledger.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
3. 3. ITC reconciliation
Purchase register ↔ GSTR-2B ↔ GSTR-3B Table 4 ↔ GSTR-9 Tables 6/7/8.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
4. 4. Table 8A investigation
Download document-wise Table 8A details and identify timing, supplier filing and amendment differences.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
5. 5. Annual adjustments
Identify transactions reported in the next financial year that relate to the preceding financial year and map them to Tables 10–13.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
6. 6. Final difference report
Maintain a signed/approved reconciliation showing every material difference and its treatment.
Practical control: Reconcile the relevant books/records with GST Portal return data before filing and retain the working supporting the figure.
Recommended workflow
Books / Registers→GST Portal data→Reconcile→Review→File
Final checklist
- All relevant invoices and documents are recorded.
- Taxable value and tax-head classification are reconciled.
- Amendments and credit/debit notes are considered.
- Portal auto-populated data has been reviewed rather than blindly accepted.
- Material differences have a documented explanation.
- Preview and payment/offset have been checked before filing.
Knowledge-purpose disclaimer: This article is for general educational and practical understanding. GST law, rules, notifications, circulars, portal functionality and filing procedures can change. Verify the provisions and procedures applicable to the relevant tax period and the facts of the transaction before taking a final tax position.