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GST Return Deadlines 2026

Never miss a filing deadline. Track all your GST returns with live countdown timers.

Updated February 2026 • Auto-calculated dates

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Upcoming Deadlines

Complete 2026 Calendar

Return Type Filing Frequency Due Date Late Fee
GSTR-1 Monthly 11th of next month ₹500/day (max ₹10k)
GSTR-3B Monthly 20th of next month ₹1,000/day (max ₹10k)
GSTR-9 Annually 31st December ₹200/day (max ₹20k)
GSTR-4 Annually 30th April (next FY) ₹500/day (max ₹10k)

Monthly Schedule

For businesses filing monthly returns (GSTR-1 & GSTR-3B)

February 2026

GSTR-1 (Jan) 11 Feb
GSTR-3B (Jan) 20 Feb

March 2026

GSTR-1 (Feb) 11 Mar
GSTR-3B (Feb) 20 Mar

April 2026

GSTR-1 (Mar) 11 Apr
GSTR-3B (Mar) 20 Apr
GSTR-4 (FY25) 30 Apr
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Pro Tips

Set Reminders: Add these dates to your phone calendar with 3-day advance alerts.
File Early: Don't wait until the last day. Portal gets slow near deadlines.
Zero Returns: Even if you have no sales, file Nil returns to avoid penalties.

Behind on Filings?

Calculate your exact late fee penalty and plan your catch-up strategy.

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