Deadlines
Important tax dates
Keep key tax dates in view so nothing important slips by. Dates can change — always confirm on the official portals.
- ImportantTDS_TCS
TDS/TCS deposit for October 2026
<p>Tax deducted or collected at source during October 2026 must be deposited with the government by 7 November 2026.</p><p>Government offices that pay without a challan must credit the tax on the same day it is deducted. Late deposit attracts interest for every month or part of a month of delay.</p>
Due
07 Nov 2026
- NormalGST
GSTR-1 for October 2026 (monthly filers)
<p>The statement of outward supplies (sales) for October 2026 is due on 11 November 2026 for monthly filers.</p><p>Filing on time matters for your buyers too: invoices you report flow into their GSTR-2B, which they rely on to claim input tax credit.</p>
Due
11 Nov 2026
- ImportantGST
GSTR-3B for October 2026 (monthly filers)
<p>The summary return and tax payment for October 2026 is due on 20 November 2026 for monthly filers.</p><p>Interest runs on any tax paid after the due date, and a late fee applies for each day the return is delayed.</p>
Due
20 Nov 2026
- UrgentINCOME_TAX
ITR for tax-audit cases, AY 2026-27 (extended)
<p>The due date for income tax returns of assessees whose accounts are required to be audited has been extended from 31 October 2026 to 21 November 2026 by CBDT Circular No. 07/2026 dated 28 September 2026.</p><p>This return relates to FY 2025-26 (AY 2026-27), so it is filed under the Income-tax Act, 1961 even though the new Act applies from 1 April 2026.</p>
Due
21 Nov 2026
- ImportantINCOME_TAX
ITR for transfer-pricing cases, AY 2026-27
<p>Taxpayers with international or specified domestic transactions who must file a transfer-pricing report have until 30 November 2026 to file their return for AY 2026-27.</p>
Due
30 Nov 2026
- ImportantINCOME_TAX
Third advance tax instalment, FY 2026-27
<p>By 15 December 2026, at least 75% of your estimated tax for FY 2026-27 should have been paid as advance tax.</p><p>Taxpayers under the presumptive scheme for business or profession pay their full advance tax in one instalment by 15 March instead. Shortfalls attract interest.</p>
Due
15 Dec 2026
- UrgentINCOME_TAX
Belated income tax return, AY 2026-27
<p>If you did not file your return for FY 2025-26 by the original due date, 31 December 2026 is the last date to file a belated return.</p><p>A late fee applies (up to ₹1,000 if total income is ₹5 lakh or less, ₹5,000 otherwise), and some benefits such as carrying forward certain losses are lost.</p>
Due
31 Dec 2026
- ImportantGST
GST annual return GSTR-9 / GSTR-9C, FY 2025-26
<p>The annual GST return for FY 2025-26, and the reconciliation statement GSTR-9C where it applies, are due on 31 December 2026.</p><p>GSTR-9 cannot be revised after filing, so reconcile it against your GSTR-1, GSTR-3B and books before submitting.</p>
Due
31 Dec 2026
- NormalTDS_TCS
TDS return for October–December 2026 quarter
<p>The quarterly TDS statement for October to December 2026 is due on 31 January 2027.</p><p>From 1 April 2026 the Income-tax Act, 2025 uses new form numbers (for example Form 138 for salary TDS and Form 140 for other domestic TDS), so make sure your filing software is updated. Late filing attracts a fee of ₹200 per day.</p>
Due
31 Jan 2027
- ImportantINCOME_TAX
Final advance tax instalment, FY 2026-27
<p>By 15 March 2027, 100% of your estimated tax for FY 2026-27 should be paid as advance tax. Presumptive-scheme taxpayers pay their entire advance tax by this date.</p>
Due
15 Mar 2027
Confirm the live dates