Question 1

What is the due date for GSTR-1?

Accepted Answer

GSTR-1 (outward supplies) is due on the 11th of the following month. For example, the GSTR-1 for January is due by February 11th. Businesses with turnover up to ₹1.5 crore can file quarterly.

Question 2

What is the due date for GSTR-3B?

Accepted Answer

GSTR-3B (monthly return) is due on the 20th of the following month. For example, the GSTR-3B for January is due by February 20th. Quarterly filers under the QRMP scheme have different deadlines.

Question 3

What is the late fee for filing GST returns late?

Accepted Answer

The late fee is ₹50 per day (₹25 CGST + ₹25 SGST), capped at ₹10,000 per return. For NIL returns, the late fee is ₹20 per day (₹10 CGST + ₹10 SGST), capped at ₹4,000. Interest of 18% per annum also applies on unpaid tax.

Question 4

What happens if I miss the GSTR-3B deadline?

Accepted Answer

Missing the GSTR-3B deadline triggers a late fee of ₹50 per day (up to ₹10,000), interest at 18% per annum on unpaid tax, and potential ITC hard-blocking. From 2026, the ITC hard-block rule means you cannot claim ITC in GSTR-3B if you have not filed GSTR-1 for 2+ consecutive months.

Question 5

What is the due date for GSTR-9 (annual return)?

Accepted Answer

GSTR-9 (annual return) is due by December 31st of the following financial year. For example, the GSTR-9 for FY 2025-26 is due by December 31, 2026.

GST Due Date Calculator India 2026

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GST Return Types Explained

GSTR-1 — Outward Supplies

GSTR-3B — Monthly Return

GSTR-2A — Auto-populated

GSTR-9 — Annual Return

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