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In India, GST (Goods and Services Tax) is an important tax regime. If your business is registered under GST, you must submit various returns periodically. One such return is GSTR3B Filing. In this article, we explain what GSTR3B is, who must file it, due dates, how to do GSTR3B filing, what happens if you miss it, recent changes, tips, and more.
GSTR-3B filing is a monthly self-declaration return that every GST-registered taxpayer in India must submit to the Goods and Services Tax (GST) portal. It is a simplified summary return that captures:
Unlike GSTR-1 (which reports invoice-level sales data), the GSTR-3B return provides consolidated figures — making it the primary return used by the government to track tax payments on a monthly basis.
GSTR-3B is a monthly summary return filed by GST-registered businesses to declare their tax liabilities and input tax credit. It must be filed even if there are no transactions in a given month (nil return).
Here is who must do GSTR3B filing:
However, there are some exceptions:
If you are unsure, confirm with a GST expert or check your registration type.
Timely GSTR3B filing is crucial. The due dates depend on whether you file monthly or quarterly (for those under QRMP scheme).
The government may issue extensions or notifications, so always check current updates.
From July 2025 onward, a major change: GSTR3B will become non-editable once filed. Corrections, if needed, can only be done via GSTR‑1A.
Also note: after three years from the due date, you may not be allowed to file a delayed return.
Understanding the GSTR-3B format helps you file accurately the first time. The return has six main tables:
Declare:
Report the state-wise breakup of IGST collected on supplies to these categories. This data helps the government reconcile IGST distribution.
The most sensitive section of any GSTR-3B filing. Report:
What ITC cannot be claimed in GSTR-3B?
ITC is blocked on motor vehicles (for personal use), food and beverages, membership clubs, beauty treatments, health services, construction of immovable property, and personal consumption items under Section 17(5) of the CGST Act.
Declare inter-state and intra-state exempt and nil-rated purchases made from registered and unregistered suppliers.
System-computed section showing auto-calculated interest (18% p.a. for delayed payment) and late fees applicable.
Final ledger entries showing payment through:
Follow these steps for accurate GSTR-3B filing on the GST portal:
Visit https://www.gst.gov.in and sign in with your GSTIN credentials.
Go to: Services → Returns → Returns Dashboard. Select the financial year and return period.
Click Prepare Online under the GSTR-3B tile.
Enter consolidated figures for taxable, zero-rated, exempt, and RCM supplies. Cross-check with your GSTR-1 data to ensure consistency.
Input your eligible ITC bifurcated by IGST, CGST, and SGST. Verify against your GSTR-2B auto-populated data. Claiming ITC beyond what appears in GSTR-2B can trigger scrutiny notices.
The portal auto-calculates your net tax payable after offsetting ITC. Pay any remaining liability through the Electronic Cash Ledger using Challan PMT-06.
Use Save GSTR-3B and download the PDF preview. Review every figure before final submission.
Click Submit to lock the return (data cannot be edited after this). Then use File GSTR-3B with either DSC (Digital Signature Certificate) or EVC (Electronic Verification Code) via OTP.
Missing your GSTR-3B due date results in immediate financial consequences:
| Scenario | Late Fee Per Day |
|---|---|
| NIL return (no tax liability) | ₹20 (₹10 CGST + ₹10 SGST) |
| Return with tax liability | ₹50 (₹25 CGST + ₹25 SGST) |
| Maximum cap (AATO up to ₹1.5 Cr) | ₹2,000 |
| Maximum cap (AATO ₹1.5 Cr to ₹5 Cr) | ₹5,000 |
| Maximum cap (AATO above ₹5 Cr) | ₹10,000 |
Note: The GST portal auto-computes interest. However, always verify manually — errors in auto-calculation have been reported.
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No. Once filed, GSTR-3B cannot be revised. Errors must be corrected in the GSTR-3B of a subsequent month by making adjustments in the relevant tables.
No. GSTR-1 is an invoice-level outward supply statement. GSTR-3B is a summary return used for tax payment. Both are mandatory for regular taxpayers; GSTR-1 is filed by the 11th (monthly) and GSTR-3B by the 20th.
The system issues a notice under Rule 88D. The taxpayer must either pay the differential tax with interest or provide justification within 7 days.
Yes, you can submit GSTR-3B without full payment, but it will not be filed (locked). The return is only treated as filed after the complete tax liability is discharged.
GSTR-3 was the originally envisaged final monthly return (auto-generated from GSTR-1 + GSTR-2). It was never implemented. GSTR-3B was introduced as a temporary measure in 2017 and has continued as the primary monthly return.
Yes. Filing is compulsory from the effective date of GST registration, even if no business activity has occurred. A NIL return must be filed.
Log in to the GST portal → Services → Returns → Track Return Status. You can filter by return type (GSTR-3B) and period to view the status.