Staying updated with GST, TDS, and ITR due dates for FY 2026-27 is essential for avoiding penalties, interest, and compliance issues. In India, missing even a single tax deadline can result in unnecessary financial loss and legal complications.
This complete tax due date calendar for FY 2026-27 covers GST return filing, TDS payment and return deadlines, advance tax instalments, and income tax return (ITR) filing dates - helping individuals, businesses, and professionals stay fully compliant.
Why Tax Due Dates Matter More in FY 2026-27
With updated compliance rules under the Income Tax framework and GST regulations, deadlines have become stricter than before. Delays can lead to:
- Late fees and penalties
- Interest under Sections 234B & 234C
- Blocking of GST return filings due to ITC mismatch
- Increased scrutiny from tax authorities
Simply put - timely compliance is no longer optional.
GST Due Dates for FY 2026-27
Monthly Filers (Turnover above ₹5 Crore)
| Form | Description | Due Date |
|---|---|---|
| GSTR-1 | Outward supply details | 11th of next month |
| GSTR-3B | Summary return + tax payment | 20th of next month |
| GSTR-2B | ITC statement | 14th of next month |
| IFF (Optional) | Invoice upload | 13th of next month |
Quarterly Filers - QRMP Scheme
| Quarter | GSTR-1 / IFF | GSTR-3B |
|---|---|---|
| Apr-Jun 2026 | 13 July 2026 | 22 / 24 July 2026 |
| Jul-Sep 2026 | 13 Oct 2026 | 22 / 24 Oct 2026 |
| Oct-Dec 2026 | 13 Jan 2027 | 22 / 24 Jan 2027 |
| Jan-Mar 2027 | 13 Apr 2027 | 22 / 24 Apr 2027 |
Note: Gujarat falls under Category 1 (22nd due date).
TDS Due Dates for FY 2026-27
TDS Payment Due Dates
- TDS deducted in any month must be deposited by 7th of the following month
- TDS payment due date for March 2026: 30 April 2026
TDS Return Filing Due Dates for FY 2026-27
| Quarter | Period | Due Date |
|---|---|---|
| Q1 | Apr-Jun 2026 | 31 July 2026 |
| Q2 | Jul-Sep 2026 | 31 Oct 2026 |
| Q3 | Oct-Dec 2026 | 31 Jan 2027 |
| Q4 | Jan-Mar 2027 | 31 May 2027 |
If you’re searching for TDS return due date for FY 2026-27, this is your complete schedule.
Advance Tax Due Dates FY 2026-27
| Instalment | Due Date | % Payable |
|---|---|---|
| 1st | 15 June 2026 | 15% |
| 2nd | 15 Sept 2026 | 45% |
| 3rd | 15 Dec 2026 | 75% |
| 4th | 15 March 2027 | 100% |
ITR Filing Due Dates for AY 2026-27
| Taxpayer Category | Due Date |
|---|---|
| Individuals / HUF (No Audit) | 31 July 2026 |
| Businesses (Audit Cases) | 31 Oct 2026 |
| Companies | 31 Oct 2026 |
| Transfer Pricing Cases | 30 Nov 2026 |
| Revised / Belated Return | 31 Dec 2026 |
The last date to file ITR for AY 2026-27 for most individuals is 31 July 2026.
Other Important Compliance Deadlines
- Professional Tax (Gujarat): Monthly due date - 15th | Annual return - 31 March
- PF & ESIC: Due date - 15th of every month
- ROC Filing: AOC-4 (30 days), MGT-7 (60 days)
Tips to Never Miss Tax Deadlines
- Set reminders at least 5 days before due dates
- Maintain a monthly compliance checklist
- Use accounting or compliance software
- Keep documents organized
- File early instead of waiting till last date
Frequently Asked Questions
What is the last date for filing income tax returns in India?
For AY 2026-27, the last date is 31 July 2026 for individuals without audit.
Can income tax due date be extended?
Yes, the government may announce an income tax due date extension in certain situations.
What is TDS return due date extended rule?
If announced, the TDS return due date extended notification is issued by the Income Tax Department.
What is TDS Q1 due date FY 25-26?
The TDS Q1 due date FY 25-26 was 31 July 2025.
What is the tax audit due date FY 24-25?
The tax audit due date FY 24-25 was 31 October 2025.
Final Thoughts
Managing tax compliance in India requires more than just filing returns - it requires timely action, accurate reporting, and consistent tracking of deadlines.
With increasing compliance pressure in FY 2026-27, businesses and individuals should proactively manage their tax calendar to avoid penalties and ensure smooth operations.
If you are looking for a reliable Tax Consultant in Ahmedabad, professional firms like Rudra Consultancy can help manage GST, TDS, and ITR filings efficiently - so you never miss a deadline.