Important Disclaimer
Government processes, fees, documents, and portal interfaces may change without notice. Always verify the latest requirements on the official government website before submitting any application. ToolBox is not affiliated with any government body.
Overview
Registered taxpayers must file GST returns monthly or quarterly based on turnover and scheme. Returns such as GSTR-1 (outward supplies) and GSTR-3B (summary return) are filed electronically on the GST portal. Accurate invoice data and timely filing help avoid late fees and interest.
Eligibility
- You have an active GSTIN
- You have valid invoices and purchase or sales data for the period
- You know which return form applies to your registration type
Documents Required
- GSTIN
- Sales and purchase invoices for the return period
- Input tax credit details
- Bank statement for reconciliation
- Digital signature or Aadhaar-linked mobile for EVC
Fees
| Service | Fee |
|---|---|
| Filing GST return No government fee for filing on the GST portal | Free |
| Late fee for delayed filing ₹25 CGST + ₹25 SGST; subject to maximum cap and nil return rules | ₹50/day |
Processing Time
Instant submission; processing within minutes to hours
Returns are processed by the system after submission. Errors may take longer to rectify.
Step-by-Step Process
Visit the GST portal
Open https://gst.gov.in and click Login to access the taxpayer dashboard.

Register / Login
Click REGISTER if you are a new user, or LOGIN for an existing account.
Register / Login
Click REGISTER if you are a new user, or LOGIN for an existing account.
Log in to the GST portal
Enter your username, password, and captcha. Complete OTP verification if prompted.

First time login / New user
New applicants click here to generate a TRN or log in.
First time login / New user
New applicants click here to generate a TRN or log in.
Keep your registered mobile handy for OTP.
Open the Returns Dashboard
After logging in, navigate to Services > Returns > Returns Dashboard. Select the financial year and return filing period.
Login-required step
Select the return form and period
Choose the applicable return form such as GSTR-1, GSTR-3B, or GSTR-4. Open the tile for the relevant tax period.
Login-required step
The form depends on your turnover and registration scheme. Choose carefully.
Enter outward and inward supplies
Fill in invoice-level or summary details of outward supplies, inward supplies, and input tax credit. Import invoices from offline tools if available.
Login-required step
Preview, offset liability, and submit
Preview the return to check tax calculations. Offset tax liability using the cash or credit ledger, then submit the return.
Login-required step
Submitting locks the return. Review all figures before submission.
File the return with DSC or EVC
File the return using a Digital Signature Certificate (DSC) or Electronic Verification Code (EVC) sent to the authorised signatory's mobile.
Login-required step
A filed return cannot be revised in most cases. Amendments are made in subsequent periods.
Common Mistakes
Common Errors & Fixes
| Error | Fix |
|---|---|
| Return cannot be filed before previous period | File any pending returns for earlier tax periods first. |
| Tax liability mismatch | Reconcile invoices and tax amounts before submitting. Correct errors in the return form. |
| DSC not registered | Register the DSC under My Profile or use EVC as an alternative. |
| Late fee levied | Pay the late fee along with the tax liability before filing the return. |