In short
India’s main recurring tax deadlines are GSTR-1 by the 11th, GSTR-3B by the 20th and TDS deposit by the 7th of every month; advance-tax instalments fall on 15 June, 15 September, 15 December and 15 March; ITR filing is due 31 July for non-audit cases and 21 November for audit cases (extended by CBDT Circular 07/2026). The live calendar on this page computes every date automatically and always opens on the current month.
Verified October 2026 · TaxGST.in
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Tax Compliance Calendar FY 2026-27: GST, ITR & TDS Due Dates
The master calendar: every GST, ITR, TDS and advance-tax due date for FY 2026-27 on one page.
GST Return Due Date Tracker
Month-by-month tracker of every GST return deadline so no filing ever slips through.
Advance Tax Due Dates FY 2025-26: Instalments, Interest Rules
The four advance-tax instalments, who pays them, and the interest charged for missing one.
GST Due Dates
What Is the Eligibility and Due Dates for Filing GST Return?
Who files which GST return and by when: eligibility rules plus every key deadline.
GSTR-1 Filing Guide: Due Dates, Tables and Late Filing Rules (2026)
GSTR-1 is due on the 11th each month: table-wise breakup and what late filing costs.
GSTR-3B Filing Guide: Sections, Due Dates and Late Fee (2026)
GSTR-3B due on the 20th: sections explained, payment rules and late fees.
QRMP Scheme: Quarterly Return and Monthly Payment Guide (2026)
Turnover under Rs 5 crore? File quarterly and pay monthly under QRMP: dates and process.
GSTR-9 & GSTR-9C Annual Return Guide 2026: Due Date & Format
The annual return deadline, format and who must file the GSTR-9C reconciliation statement.
Income Tax & Advance Tax
What is Advance Tax and Who is Liable to Pay Advance Tax?
Advance-tax basics: who must pay, when it applies and how it differs from TDS.
Challan 280: How to Pay Advance Tax Online or Offline
Pay via Challan 280 online or at banks: steps, payment modes and instalment dates.
CBDT Extends ITR Filing Deadline for AY 2025-26 to September 16
Deadline extensions do happen: how CBDT announces them and where to check the latest date.
CBDT Extends Due Date for Filing Form 10B and 10BB (ITR-7)
Trust and NGO filings: the extended 10B/10BB deadline and who it covers.
TDS & TCS
Tax Deducted at Source (TDS)
The complete TDS guide: rates, deposit dates, quarterly returns and certificates.
TDS Hub: Rates, Thresholds, Returns & Certificates
Every TDS guide in one place, including return forms, Form 16 due dates and corrections.
Company & ROC Filings
MCA ROC Date Extended: No Extra Fees for Annual Filings Till Jan 31, 2026
AOC-4 and MGT-7 deadlines extended: what companies must file and by when.
Missed a Deadline?
GST Late Fee Calculator
Compute late fees for delayed GSTR-1, GSTR-3B and GSTR-9 filings.
GSTAT Appeal Deadlines Clarified
Appeal limitation rules explained: the backlog clarification and what it means for you.
Frequently asked questions
Where is the current month calendar?
The Tax Compliance Calendar FY 2026-27 guide linked above carries the current month’s due dates with CBDT/CBIC references.
What if I miss a deadline?
Read the late-fee and penalty guides for that filing — interest and fees differ by return type.
Are extension notices tracked?
The calendar guide logs extensions; always confirm against the latest notification.
Related hubs: GST Hub · Income Tax Hub · Deductions Hub
Need help filing? Get Free C
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Latest Due-Date Updates
- How to Pay GST Online: PMT-06 Challan, CPIN, Payment Modes and Fixes When the Money Doesn’t Reflect31 October 2026
- ITR Deadline Extended to 21 November 2026: What Changes, What Doesn’t27 October 2026
- MCA Extends AOC-4 to 31 December 2026, MGT-7 to 31 January 2027 — No Additional Fees (Circular 05/2026)24 October 2026
- GSTR-3B Late Fee & Interest: Exactly How Much You’ll Pay (Worked Examples)23 October 2026
- Tax Audit Deadline Is Today, 21 October 2026: Missed It? Section 271B Penalty, 234A Interest & What to Do Next21 October 2026
- GSTR-9 and GSTR-9C for FY 2025-26 Enabled on GST Portal: Your Filing Checklist Before 31 December 202621 October 2026
- November 2026 Tax Due Dates Calendar: GST, ITR, TDS & ITC Deadlines20 October 2026
- Missed the ITR Deadline? Belated Return Till 31 December 2026, Revised Return Till 31 March 202717 October 2026
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