To file GST returns online, sign in to the Indian GST Portal and go to Services > Returns > Returns Dashboard. Choose the financial year and tax period, check the due date shown for the relevant return, prepare and review the return, then file it using the authorised-signatory method available to you. The right form and filing frequency depend on your registration and scheme: GSTR-1 reports outward supplies for relevant taxpayers, while QRMP filers follow a quarterly schedule with jurisdiction-specific GSTR-3B due dates. Filing late can create late-fee liability, but there is no single fee amount that safely applies to every taxpayer and period. Check the live return tile and current notifications before relying on a deadline or calculating an amount.
Which GST return do you need to file?
Start by checking the return type and filing frequency attached to your registration. The GST Portal describes GSTR-1 as the return for reporting outward-supply details for relevant normal and casual registered taxpayers. It does not apply to every GSTIN: the Portal lists composition taxpayers and several special categories among the exceptions. Do not assume that registration alone means you must file GSTR-1; confirm the forms that apply to your taxpayer category on the Portal. See the GST Portal’s GSTR-1 FAQs for the form’s scope and exceptions.
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GSTR-1 and GSTR-3B are separate returns, and the filing sequence matters. The Portal says GSTR-3B for a period cannot be filed until GSTR-1 for that period has been filed. An overdue return can also block a later filing, so check both forms and earlier periods rather than treating one return as a substitute for the other.
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Monthly, quarterly, and QRMP filing
Monthly or quarterly filing frequency changes the ordinary GSTR-1 due date. Taxpayers using the Quarterly Return Monthly Payment scheme (QRMP) file GSTR-3B quarterly, with the due date depending on the applicable jurisdiction group. These are different decisions: the form, filing frequency, and relevant location all matter. A date that applies to one form or QRMP group should not be carried over to another.
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What are the ordinary GSTR-1 and QRMP GSTR-3B due dates?
According to the GST Portal’s GSTR-1 FAQ, the ordinary GSTR-1 due date is the 11th of the following month for monthly filers, or the 13th of the month after the quarter ends for quarterly filers. These dates are subject to changes made by government notification; they are not a guarantee that a particular period has not been extended or otherwise changed.
For QRMP quarterly GSTR-3B, the Portal advisory gives a due date of the 22nd for one jurisdiction group and the 24th for another, in the month following the quarter. The advisory also cautions that notifications can change the dates. It does not establish one date for every location, every return, or every tax period. Read the GST Portal’s QRMP advisory alongside the deadline displayed for your selected period.
- Monthly GSTR-1: ordinarily due on the 11th of the next month, subject to notification.
- Quarterly GSTR-1: ordinarily due on the 13th of the month after quarter-end, subject to notification.
- QRMP quarterly GSTR-3B: ordinarily due on the 22nd or 24th of the following month, depending on jurisdiction group, subject to notification.
Use the GST Portal dashboard as the practical check for the return period you are filing: the return tile displays the applicable due date. If you are near a deadline or have a non-standard registration or filing situation, check for current notifications applicable to your tax period and principal place of business. Do not use a date from an earlier quarter as proof that the same deadline applies now.
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The Portal’s return workflow begins at the Returns Dashboard. GSTR-1 can be prepared online or using the Portal’s offline tools; the Portal FAQ also describes third-party ASP applications accessed through GST Suvidha Providers as a preparation route. Regardless of preparation method, review the return and its summary on the Portal, resolve validation issues, and make sure no earlier return is blocking filing.
- Open the returns dashboard. Sign in to the GST Portal and select Services > Returns > Returns Dashboard.
- Select the period. Choose the financial year and the relevant filing period. Check the due date shown on the return tile before proceeding.
- Prepare the return. For GSTR-1, enter the information online or prepare it with the GST Portal’s offline tools and upload it. The Portal FAQ also identifies an ASP application through a GST Suvidha Provider as a preparation option; this describes a channel, not an endorsement of any provider.
- Review and validate. Check the return details and summary, correct validation errors, and confirm the intended period and form. If a previous return is outstanding, resolve it in the order the Portal requires; outstanding filings can prevent the next return from being filed.
- File using an authorised-signatory method. Use the filing option offered by the Portal for your registration, such as EVC or DSC where applicable. Follow the on-screen confirmation steps rather than treating a saved draft or uploaded data as a filed return.
- Confirm and retain proof. Verify that the return status shows it was filed, then retain or download the filed return and acknowledgment for your records. The Portal’s nil GSTR-3B guide documents the preview, signature, filed-status, and download steps for that flow.
The GST Portal’s GSTR-1 creation guide describes dashboard selection and online or offline preparation. Menu labels and available options may change, so follow the current Portal interface if a screen differs from the guide.
Before submitting: a short filing check
- Confirm the GSTIN, financial year, tax period, form, and filing frequency shown on the Portal.
- Check the period-specific due date displayed on the return tile and any current notification that applies.
- Review the return’s details and summary, and resolve the Portal’s validation messages.
- Check for unfiled earlier GSTR-1 or GSTR-3B returns that may block filing.
- After submission, confirm filed status and retain the return or acknowledgment rather than relying only on a saved or prepared return.
Do you have to file a nil GST return?
Nil activity does not automatically remove the filing obligation. The GST Portal says GSTR-1 must be filed even when there has been no business activity. A nil GSTR-3B has its own eligibility conditions, so do not use the absence of sales alone as a reason to skip it.
When the Portal allows a nil GSTR-3B
The Portal’s nil GSTR-3B flow requires that there be no outward supplies, no inward supplies, and no tax liability. Its system conditions also require no relevant auto-populated data, no manual entries, and no outstanding interest or late-fee liability. If a return has relevant data or an unpaid liability, it may not qualify for the nil flow even if the taxpayer considers the period inactive.
Use the conditions in the current Portal flow rather than relying on a general definition of “no business.” The GST Portal’s nil GSTR-3B guide documents the online eligibility and filing process. The Portal also describes an SMS option, but the steps here cover the documented online workflow.
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Online nil GSTR-3B steps
- Open the Returns Dashboard, select the financial year and period, and open the GSTR-3B return tile.
- Check the return data and confirm that the Portal’s nil eligibility conditions are met, including the absence of relevant auto-populated data, manual entries, and outstanding interest or late-fee liability.
- Use the nil-return option presented by the Portal, preview the return, and complete the authorised-signatory step it offers.
- Confirm the return shows filed status and download or retain the filing record.
The Portal’s nil-return guide is specific to this filing route. If the nil option is unavailable, inspect the data and liabilities shown for the period; do not assume that repeated attempts or leaving the return unfiled will clear the requirement.
How late fees work—and why a single amount can mislead
Filing a return after its due date can lead to late-fee liability. Section 47 of the CGST Act provides for a statutory per-day fee and a statutory maximum, and the law permits the government to waive fees by notification. The operative amount for a particular filing therefore depends on the return, tax period, days of delay, applicable taxpayer class, and any notification or cap that applies. The Portal’s return tile and relevant current notifications are the safer basis for the amount payable than a general figure copied from an older article.
Historical rates show why older figures should not be treated as a universal current schedule. A CBIC explanatory publication from 2019 describes GSTR-3B amounts introduced from October 2017: ₹20 per day for nil tax-liability returns and ₹50 per day for non-nil returns. These are historical rates, not a complete current schedule. A GST Portal compilation from July–September 2021 records later late-fee caps for selected taxpayer classes and periods, tied to notification. Neither source establishes one current amount for all taxpayers and all return periods.
For the statutory framework, consult CBIC’s CGST Act, Section 47. For the historical GSTR-3B rates, see CBIC’s 2019 GST Concept and Status publication; for examples of later caps tied to particular classes and periods, see the Portal’s July–September 2021 functionality compilation. These historical references explain changes over time; they are not a substitute for the liability shown for your return.
Late fee is not the same as interest
Late fee and interest are separate liabilities. The sources cited here do not provide a complete, current interest-calculation guide, so do not use a late-fee figure as an estimate of interest or combine the two into one assumed charge. Check the return and payment details displayed for the period and obtain qualified tax advice if you need a taxpayer-specific calculation.
What information is needed to estimate a late fee?
A reliable calculation requires more than the number of days a return is late. At minimum, establish the form and tax period, the date the return is actually filed, whether the return is nil or non-nil where relevant, the taxpayer’s applicable class or turnover category, and any waiver, notification, or cap for that period. The amount displayed by the Portal should be checked before filing or payment. Because those details can change the result, the historical ₹20 and ₹50 rates should not be used as a calculator for a current liability.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What happens if an earlier return is still unfiled?
Unfiled periods can create a chain of filing blocks. According to the GST Portal’s GSTR-1 FAQ:
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- GSTR-3B for a period cannot be filed until GSTR-1 for that same period has been filed.
- An unfiled previous GSTR-3B can block the next GSTR-1.
The Portal also says that if GSTR-1 is not filed by its due date, it issues a system-generated Form 3A return-defaulter notice. A missed period can therefore affect more than that period’s filing: it may prevent progress through subsequent returns.
How to recover from missed filings
- Open the Returns Dashboard and identify every outstanding period and return type.
- Follow the filing sequence enforced by the Portal, beginning with the overdue returns that are blocking later filings.
- For each return, review the period’s data, correct validation issues, and complete filing rather than moving on while it remains unfiled.
- Check the Portal’s displayed late-fee and interest liabilities for the relevant periods and review any notification or waiver that may apply.
- After the overdue returns are filed, revisit the later return tiles and confirm that the filing blocks have cleared.
Do not assume that filing the latest return first will resolve older defaults. The order above follows the Portal’s documented inter-return blocks; the actual available actions and liabilities depend on the periods and registration.
Can you correct GSTR-1 after filing?
The GST Portal FAQ describes GSTR-1A as an optional facility for correcting an error or adding an omitted record in the same period. It is available after GSTR-1 has been filed or its due date has passed, whichever is later, and before filing that period’s GSTR-3B. Because availability and portal functions can change, verify that GSTR-1A is available for your period before relying on this route. The GSTR-1 FAQ describes this timing and facility.
This facility is bounded by the same-period sequence: the correction window described by the FAQ closes when GSTR-3B for that period is filed. If you discover an error, check the current Portal options promptly and establish whether the correction relates to the same filing period before taking action.
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Ways to prepare and file: what is different?
| Choice | What it changes | What to verify |
|---|---|---|
| Monthly versus quarterly filing | Changes the filing frequency and the ordinary GSTR-1 due date. | Confirm the frequency applicable to your registration and the period shown on the dashboard. |
| GSTR-1 versus GSTR-3B | These are separate forms with different functions and filing dependencies. | File the required form for the period and observe the Portal’s sequence rules. |
| QRMP jurisdiction group | Changes the ordinary quarterly GSTR-3B due date between the 22nd and 24th of the following month, subject to notification. | Check the applicable jurisdiction group and current Portal due date. |
| Online entry versus offline preparation | Changes how GSTR-1 data is prepared, not the obligation to review and file the return. | Use the Portal’s current instructions for upload, validation, authorisation, and filed-status confirmation. |
| ASP/GSP preparation route | The Portal FAQ identifies third-party ASP applications accessed through GST Suvidha Providers as another preparation option. | Confirm the provider’s current service, terms, and security independently; the Portal FAQ does not evaluate providers. |
Preparation method is a workflow choice, not a change to your filing responsibility. The Portal’s guide supports online or offline GSTR-1 preparation, while its FAQ also mentions an ASP/GSP route. The cited materials do not compare commercial providers, their prices, security, or service quality.
Quick Recap
Practical habits that reduce avoidable late filings
- Check the dashboard by period. Review the return tiles for the financial year and tax period rather than relying on a remembered deadline.
- Keep both return types in view. Track GSTR-1 and GSTR-3B separately, including the returns for earlier periods that may block new filings.
- Do not wait until the final day to validate. Review return details and the summary early enough to address validation problems before the due date.
- Make a nil filing an explicit decision. Check the form’s nil conditions and complete the filing where required; no activity is not, by itself, a reason to omit GSTR-1.
- Save proof of filing. Verify the filed status and retain the return or acknowledgment so you can distinguish a filed return from prepared or uploaded data.
- Recheck notifications when dates or fees matter. Government notifications may alter due dates, waivers, or caps, and those changes can be limited to selected periods or taxpayer classes.
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