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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11To file GSTR-3B using ClearTax, select your GSTIN and return period, prepare the return in summary or invoice-import mode, review the figures and tax calculation, then upload the prepared data to GSTN. Complete any payment and liability offset, and finish filing through the GST portal or the filing method available in the current ClearTax workflow. Uploading data is not the same as final filing.
Before you start
Have the correct business or GSTIN, the applicable return period, and the sales, purchase and tax records needed to prepare the return. In ClearTax, the product guide describes opening the GSTR-3B tile and choosing the PAN/GSTIN and period. On the GST portal, select the financial year and filing period. Check the portal for the due date shown for that period; the GST Portal user guide states, “The due date for filing Form GSTR-3B is displayed on this page.” GST Portal GSTR-3B user guide.
Choose how to prepare the return in ClearTax
| Preparation route | When it fits | What to do |
|---|---|---|
| Summary mode | You are preparing from summary figures or do not have invoice-level data to import. | Enter the figures manually or import supported data, then save the summary. |
| Invoice-import mode | You have sales and purchase invoices in accounting records that can be imported. | Import the invoices, review them and use the resulting data to populate the return. |
These are preparation options, not a determination that the source figures or tax treatment are correct. ClearTax describes both routes, but does not establish that one is preferable for every taxpayer. ClearTax GSTR-3B return filing guide.
Review return data and input tax credit
Before uploading, inspect the populated tables and compare the values with your records. ClearTax documentation describes choosing sources for auto-filled tables and using a GSTR-2B-versus-purchase-record reconciliation workflow for Table 4 ITC.
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- For invoice-import mode, review purchase invoices, assign categories and save your ITC selections before using Autofill.
- For summary mode, check each entered or imported figure against the underlying records.
- Verify that any ITC claimed is eligible and that the amount and tax treatment are appropriate. Autofilled or imported data is not, by itself, confirmation that a claim is correct.
ClearTax’s filing guide and its GSTR-3B product documentation describe these review steps.
Check the tax calculation and ledger balance
Review ClearTax’s tax calculation after applying ITC. The product documentation describes connecting to GSTN to fetch the electronic-ledger balance; the public guide also describes downloading ledger data to review the payment liability. Reconcile the displayed calculation and balance with your records before moving on. A software calculation is a review aid, not a substitute for checking the return.
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Upload the prepared return to GSTN
Use ClearTax’s upload-to-GSTN step to transfer the prepared return data to the government portal. Treat this as a data-transfer step, not proof that the return has been filed. The guides describe payment or offset and final filing as separate actions. ClearTax GSTR-3B return filing guide.
Pay, offset liability and complete filing
- Open the GST portal. Follow the current portal instructions for the return period and your ledger position.
- Pay any amount due. Make payment on the GST portal if required by your liability and available ledger balance.
- Offset the liability. Complete the liability-offset step on the portal after payment, as applicable.
- Submit the return. Finish the filing on the GST portal or use the filing method supported by the current ClearTax workflow. ClearTax documentation describes DSC and EVC flows; the available route can depend on the current interface and your circumstances.
- Keep the filed return. Save the return and its filing confirmation for your records. For the portal’s nil-return flow, the official guide describes selecting an authorised signatory, filing with DSC or EVC, and downloading the filed return.
ClearTax’s guide describes making payment and offsetting liability on the GST portal. The GST Portal user guide explains the portal’s GSTR-3B filing process.
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When a nil GSTR-3B may be filed
Do not treat a month with no sales as automatically eligible for nil filing. The GST Portal guide says nil filing requires no outward supplies, no inward supplies and no tax liability for the period. It also lists portal-side conditions: no data auto-populated from GSTR-1/IFF or GSTR-2B, no manual entries, and no outstanding interest or late fee. Answer the portal’s nil-return questions using the facts for the period; if the conditions are not met, follow the applicable non-nil filing process. GST Portal GSTR-3B user guide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.If the screens do not match these steps
ClearTax and GST portal labels and supported filing steps can change. Follow the instructions on the current screens, verify the selected GSTIN and return period, and use the due date displayed by the portal. If ClearTax upload is complete but final filing is not, return to the GST portal or the supported filing step and check the return status before assuming submission is complete.
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