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GSTLast verified: 17 June 2026

File GST Return Online in India

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.

10 min read HardLast verified: 17 June 2026
Updated: 17 June 2026 GST Portal (June 2026)Official portal

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

ServiceFee
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

1

Visit the GST portal

Open https://gst.gov.in and click Login to access the taxpayer dashboard.

GST portal homepage
1
1

Register / Login

Click REGISTER if you are a new user, or LOGIN for an existing account.

2

Log in to the GST portal

Enter your username, password, and captcha. Complete OTP verification if prompted.

GST portal login and registration page
1
1

First time login / New user

New applicants click here to generate a TRN or log in.

Keep your registered mobile handy for OTP.

3

Open the Returns Dashboard

After logging in, navigate to Services > Returns > Returns Dashboard. Select the financial year and return filing period.

Login-required step

This step takes place inside the secure government portal after you log in. We do not show a simulated screen for post-login pages; follow the instructions below.
4

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

This step takes place inside the secure government portal after you log in. We do not show a simulated screen for post-login pages; follow the instructions below.

The form depends on your turnover and registration scheme. Choose carefully.

5

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

This step takes place inside the secure government portal after you log in. We do not show a simulated screen for post-login pages; follow the instructions below.
6

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

This step takes place inside the secure government portal after you log in. We do not show a simulated screen for post-login pages; follow the instructions below.

Submitting locks the return. Review all figures before submission.

7

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

This step takes place inside the secure government portal after you log in. We do not show a simulated screen for post-login pages; follow the instructions below.

A filed return cannot be revised in most cases. Amendments are made in subsequent periods.

Common Mistakes

Filing the wrong return form for your scheme
Mismatch between GSTR-1 and GSTR-3B data
Claiming ineligible input tax credit
Missing the due date and paying late fees

Common Errors & Fixes

ErrorFix
Return cannot be filed before previous periodFile any pending returns for earlier tax periods first.
Tax liability mismatchReconcile invoices and tax amounts before submitting. Correct errors in the return form.
DSC not registeredRegister the DSC under My Profile or use EVC as an alternative.
Late fee leviedPay the late fee along with the tax liability before filing the return.

Frequently Asked Questions

Who needs to file GST returns?
All registered taxpayers must file returns, even if there is no business activity (nil return).
What is the due date for GSTR-3B?
Due dates vary by state and turnover. Check the GST portal calendar for the current month.
Can I revise a filed GST return?
Some returns can be amended in subsequent periods. Check portal rules for the specific form.
What happens if I miss the due date?
Late fees and interest may apply. File the return as soon as possible to minimise penalties.

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