Tax Compliance Calendar FY 2025-26: Income tax, TDS & GST due dates

For the Financial Year 2025–26, timely compliance with statutory tax obligations is critical for individuals, professionals, and businesses alike. This blog outlines a comprehensive compliance calendar covering key due dates and updates related to Income Tax, TDS, and GST. Staying informed about these deadlines helps ensure smooth operations, avoids interest or penalties, and aligns with regulatory expectations.

This guide, curated by TaxOSmart, serves as a reliable reference for tracking your tax responsibilities throughout the year.

DayAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberJanuaryFebruaryMarch
1            
2            
3            
4            
5            
6            
7TCS Payment Mar 25TDS/TCS Payment April 25TDS/TCS Payment May 25TDS/TCS Payment June 25TDS/TCS Payment July 25TDS/TCS Payment Aug 25TDS/TCS Payment Sept 25TDS/TCS Payment Oct 25TDS/TCS Payment Nov 25TDS/TCS Payment Dec 25TDS/TCS Payment Jan 26TDS/TCS Payment Feb 26
8            
9            
10GSTR 7/8 March 25GSTR 7/8 April 25GSTR 7/8 May 25GSTR 7/8 June 25GSTR 7/8 July 25GSTR 7/8 Aug 25GSTR 7/8 Sept 25GSTR 7/8 Oct 25GSTR 7/8 Nov 25GSTR 7/8 Dec 25GSTR 7/8 Jan 26GSTR 7/8 Feb 26
11GSTR 1 March 25 MonthlyGSTR 1 April 25 MonthlyGSTR 1 May 25 MonthlyGSTR 1 June 25 MonthlyGSTR 1 July 25 MonthlyGSTR 1 Aug 25 MonthlyGSTR 1 Sept 25 MonthlyGSTR 1 Oct 25 MonthlyGSTR 1 Nov 25 MonthlyGSTR 1 Dec 25 MonthlyGSTR 1 Jan 26 MonthlyGSTR 1 Feb 26 Monthly
12            
13GSTR 1 Q4 (24-25) QRMP GSTR 5/6 March 25IFF April 25 QRMP GSTR 5/6 April 25IFF May 25 QRMP GSTR 5/6 May 25GSTR 1 Q1 25-26 QRMP GSTR 5/6 June 25IFF July 25 QRMP GSTR 5/6 July 25IFF Aug 25 QRMP GSTR 5/6 Aug 25GSTR 1 Q2 25-26 QRMP GSTR 5/6 Sept 25IFF Oct 25 QRMP GSTR 5/6 Oct 25IFF Nov 25 QRMP GSTR 5/6 Nov 25GSTR 1 Q3 25-26 QRMP GSTR 5/6 Dec 25IFF Jan 26 QRMP GSTR 5/6 Jan 26IFF Feb 26 QRMP GSTR 5/6 Feb 26
14            
15PF/ESIC Payment March 25

Form 15CC 		TCS Return Q4 24-25

PF/ESIC Payment April 25		TDS Certificate Q4 24-25

Advance Tax 1st Inst for AY 26-27

PF/ESIC Payment May 25		TCS Return Q1 25-26
PF/ESIC Payment June 25		TDS Certificate Q1 25-26

PF/ESIC Payment July 25		Advance Tax 2nd Inst for AY 26-27

PF/ESIC Payment Aug 25		TCS Return Q2 25-26

PF/ESIC Payment Sept 25

Form 15CC		TDS Certificate Q2 25-26

PF/ESIC Payment Oct 25		Advance Tax 3rd Inst for AY 26-27

PF/ESIC Payment Nov 25		TCS Return Q3 25-26

PF/ESIC Payment Dec 25

Form 15CC		TDS Certificate Q3 25-26

PF/ESIC Payment January 26		Advance Tax 4th Inst for AY 26-27

PF/ESIC Payment February 26
16            
17            
18CMP 08 Q4 24-25  CMP 08
Q1 25-26		  CMP 08 Q2 25-26  CMP 08 Q3 25-26  
19            
20GSTR 3B

GSTR 5A Mar 25 Monthly		GSTR 3B

GSTR 5A April 25 Monthly		GSTR 3B

GSTR 5A  May 25 Monthly		GSTR 3B

GSTR 5A June 25 Monthly		GSTR 3B

GSTR 5A July 25 Monthly		GSTR 3B

GSTR 5A
Aug 25
Monthly		GSTR 3B

GSTR 5A
Sept 25 Monthly		GSTR 3B G

GSTR 5A Oct 25 Monthly		GSTR 3B

GSTR 5A Nov 25 Monthly		GSTR 3B

GSTR 5A
Dec 25 Monthly		GSTR 3B

GSTR 5A Jan 26 Monthly		GSTR 3B

GSTR 5A Feb 26 Monthly
21            
22GSTR 3B Q4 24-25 GROUP A  GSTR 3B Q1 25-26 GROUP A  GSTR 3B Q2 25-26 GROUP A  GSTR 3B Q3 25-26 GROUP A  
23            
24GSTR 3B Q4 24-25 GROUP B  GSTR 3B Q1 25-26 GROUP B  GSTR 3B Q2 25-26 GROUP B  GSTR 3B Q3 25-26 GROUP B  
25 GST PMT 06 (QRMP) April 25GST PMT 06 (QRMP) May 25 GST PMT 06 (QRMP) July 25GST PMT 06 (QRMP) Aug 25 GST PMT 06 (QRMP)Oct 25GST PMT 06 (QRMP) Nov 25 GST PMT 06 (QRMP) Jan 26GST PMT 06 (QRMP) Feb 26
26            
27            
28            
29            
30TDS Payment March 25

GSTR 4  FY 24-25

Form 61 (Oct-Mar '25)		TCS Certificate Q4 24-25Equalistion
Levy Statment for FY 24-25

GSTR 4 FY 24-25

Form 26QAA		TCS Certificate Q1 25-26 Tax Audit AY 25-26

DIR-3 KYC		TCS Certificate Q2 25-26ITR AY 25-26 Transfer Pricing Case TCS Certificate Q3 25-26  
31 TDS Return Q4 24-25

Form 61A (FY 24-25)

Form 61B (24-25) 		 TDS Return Q1 25-26

ITR AY 25-26 Non-Audit

Form 26QAA		  TDS Return Q2 25-26  

ITR (Audit) AY 25-26

Transfer Pricing Audit AY 25-26,

Form 61 (Apr-Sep)

Form 26QAA		 Belated/Revised ITR AY 25-26

GSTR 9/9C FY 24-25		TDS Return Q3 25-26

Form 26QAA