GST, ITR & TDS Due Dates - FY 2026-27

Complete compliance calendar for FY 2026-27. Covers GST returns, income tax filings, TDS deposits & returns, ROC forms and ESI/PF challans.

April 2026

11 Apr
GSTR-1 (monthly)GST

Outward supplies for March 2026

13 Apr
GSTR-1 (IFF Q4 opt)GST

Invoice Furnishing Facility for quarterly filers

20 Apr
GSTR-3B (monthly)GST

Summary return + tax payment for March 2026

30 Apr
TDS deposit (March)TDS

Special: TDS deducted in March due by 30 April

May 2026

11 May
GSTR-1GST

Outward supplies for April 2026

20 May
GSTR-3BGST

Summary return for April 2026

07 May
TDS depositTDS

TDS deducted in April 2026

31 May
TDS return 24Q/26Q (Q4)TDS

TDS return for Jan-March 2026

31 May
Form 16A (Q4)TDS

Certificate to deductee for Q4

June 2026

11 Jun
GSTR-1GST

Outward supplies for May 2026

15 Jun
Form 16 (salary)TDS

Employer to issue Form 16 for FY 2025-26

15 Jun
Advance tax (Q1)ITR

15% of estimated tax for FY 2026-27

20 Jun
GSTR-3BGST

Summary return for May 2026

July 2026

11 Jul
GSTR-1GST

Outward supplies for June 2026

20 Jul
GSTR-3BGST

Summary return for June 2026

31 Jul
ITR (non-audit individuals)ITR

FY 2025-26 returns for salaried, non-audit cases

31 Jul
TDS return Q1TDS

TDS return for April-June 2026

September 2026

15 Sep
Advance tax (Q2)ITR

45% cumulative of estimated tax

30 Sep
AGM (listed cos)ROC

180 days from FY end - listed companies

October 2026

15 Oct
GSTR-9 (annual, opt.)GST

Optional for turnover < ₹2 crore

31 Oct
ITR (audit cases)ITR

Businesses requiring audit under any law

31 Oct
TDS return Q2TDS

TDS return for July-September 2026

31 Oct
AOC-4 (private cos)ROC

30 days from AGM for financial statements

November 2026

29 Nov
ITR (TP cases)ITR

Transfer pricing audit cases

30 Nov
GSTR-9/9C (annual)GST

Annual return + reconciliation statement

December 2026

15 Dec
Advance tax (Q3)ITR

75% cumulative of estimated tax

31 Dec
MGT-7 (annual return)ROC

60 days from AGM

31 Dec
Updated ITR (ITR-U)ITR

Last date to file ITR-U for FY 2023-24

January 2027

31 Jan
TDS return Q3TDS

TDS return for October-December 2026

February 2027

15 Feb
MSME-1 (H2)ROC

AP > 45 days to MSME vendors (Oct-Mar)

March 2027

15 Mar
Advance tax (Q4)ITR

100% of estimated tax

31 Mar
DIR-3 KYCROC

Annual KYC for all directors with DIN

Dates are indicative. Always verify with official CBDT, GSTN and MCA notifications. ThynkTax compliance monitor automatically tracks these for every client.

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