What Is GST Returns: Types, Due Dates & Filing Explained

A GST return is a document containing details of income (outward supplies), expenses (inward supplies), and the tax paid or collected by a registered taxpayer. Under the Goods and Services Tax (GST) regime, every registered person is required to file returns electronically through the GST portal (www.gst.gov.in). The return must include information about sales, purchases, output tax liability, and input tax credit (ITC) claimed.

The requirement to file applies to all regular taxpayers, composition dealers, non-resident taxable persons, Input Service Distributors (ISDs), and e-commerce operators. Even if a business had no transactions during a period, a nil return must be filed. Failure to file returns on time attracts late fees and interest under the Central Goods and Services Tax Act, 2017 (CGST Act). The GST Network (GSTN) manages the online portal where all returns are submitted.

The GST law prescribes multiple return forms for different categories of taxpayers and transaction types. The most commonly used returns are:

• GSTR-1: Return for outward supplies (sales). It contains details of all invoices issued, credit notes, debit notes, and exports. Due by the 11th of the following month for monthly filers, or quarterly for the QRMP scheme.
• GSTR-3B: A summary return of outward supplies, ITC claimed, and tax paid. This is the primary return for paying tax. Due by the 20th of the following month (monthly) or 24th (quarterly under QRMP).
• GSTR-2A/2B: Auto-drafted purchase return. GSTR-2A is dynamic, while GSTR-2B is a static statement generated on the 14th of every month. Used by the recipient to verify ITC.
• GSTR-4: Annual return for composition dealers. Filed once a year by 30th April of the following financial year.
• GSTR-9: Annual return for regular taxpayers. Due by 31st December of the following financial year.
• GSTR-9C: Self-certified reconciliation statement (now part of GSTR-9 for most taxpayers). Required for taxpayers with aggregate turnover above Rs. 5 crore.
• GSTR-10: Final return. Filed by a taxpayer whose GST registration has been cancelled or surrendered. Due within three months of cancellation.
• GSTR-11: Return for persons having Unique Identity Number (UIN), such as foreign embassies or UN bodies.

Other returns include GSTR-5 (non-resident taxable person), GSTR-5A (OIDAR service provider), GSTR-6 (Input Service Distributor), GSTR-7 (TDS deductor), and GSTR-8 (e-commerce operator).

The due dates vary based on the return type and the taxpayer's category. Here are the key deadlines:

Return Type	Filing Frequency	Due Date
GSTR-1 (Monthly)	Monthly	11th of next month
GSTR-1 (Quarterly - QRMP)	Quarterly	13th of month following quarter
GSTR-3B (Monthly)	Monthly	20th of next month
GSTR-3B (Quarterly - QRMP)	Quarterly	24th of month following quarter
GSTR-4 (Composition)	Annual	30th April of next FY
GSTR-9 (Annual)	Annual	31st December of next FY
GSTR-10 (Final)	One-time	Within 3 months of cancellation

For example, GSTR-3B for January 2025 is due by 20th February 2025. If the due date falls on a public holiday, the next working day is considered the due date. Late filing attracts a late fee of Rs. 50 per day (Rs. 25 each under CGST and SGST) for GSTR-1 and GSTR-3B, subject to a maximum. Interest at 18% per annum is also payable on the net tax liability.

Filing a GST return involves three main steps: data preparation, online submission, and payment. Here is the process for the most common return, GSTR-3B:

1. Log in to the GST portal (www.gst.gov.in) using your credentials.
2. Navigate to Services > Returns > Returns Dashboard.
3. Select the financial year and return period (month/quarter).
4. Click "Prepare Online" for GSTR-3B.
5. Fill in the details in the following tables:
   • Table 3.1(a): Outward taxable supplies (with tax)
   • Table 3.1(b): Outward supplies at nil rate or exempted
   • Table 4(A): ITC claimed (auto-populated from GSTR-2B)
   • Table 5: Values of exempt, nil-rated, and non-GST supplies
   • Table 6: Payment of tax (auto-calculated)
6. Verify the data. Use the "Compute Liabilities" button to check tax payable.
7. Submit the return. You can save as draft and submit later.
8. Pay the tax liability using the available payment modes (net banking, debit/credit card, NEFT/RTGS, or over-the-counter).
9. File the return using a Digital Signature Certificate (DSC) or Electronic Verification Code (EVC). An OTP is sent to the registered mobile number.
10. Download the filed return for your records.

For GSTR-1, you can upload invoice data using the offline tool or directly on the portal. The system auto-populates GSTR-2A/2B based on your suppliers' GSTR-1 filings.

Missing the due date has several consequences under the CGST Act:

• Late fee: Rs. 50 per day (Rs. 25 under CGST + Rs. 25 under SGST) for GSTR-1 and GSTR-3B. For GSTR-4, the late fee is Rs. 50 per day (Rs. 25 each). The maximum late fee is capped at Rs. 5,000 per return (Rs. 2,500 under each Act).
• Interest: 18% per annum on the net tax liability. Interest is calculated from the day after the due date until the date of payment.
• Blocking of ITC: The recipient cannot claim ITC on invoices from a supplier who has not filed GSTR-3B for the relevant period.
• Restriction on filing future returns: You cannot file GSTR-1 for a subsequent period if the previous GSTR-3B is pending. Similarly, GSTR-3B cannot be filed if the previous GSTR-1 is pending.
• Show cause notice: The proper officer may issue a notice under Section 46 of the CGST Act, requiring you to file the return within 15 days. Failure may lead to assessment under Section 62.
• Cancellation of registration: Persistent non-filing can lead to suspension or cancellation of GST registration under Section 29(2).

To avoid these, file returns on time. If you have missed a deadline, file the return as soon as possible with the applicable late fee and interest. The GST portal allows belated filing for up to three years from the due date.

If you are a registered taxpayer, mark the due dates on your calendar and set reminders. For accurate filing and to avoid penalties, maintain proper records of all invoices and reconcile your purchase data with GSTR-2B each month. If you have missed a return or need help with complex filings, consult a qualified GST practitioner or chartered accountant.

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This page provides preliminary information. It is not legal advice. For your matter, consult a qualified professional.