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2026 Compliance Calendar

Indian Audit & Compliance Calendar

Never miss a deadline. Complete calendar of ITR, GST, TDS, and statutory audit due dates for Indian CA firms.

Categories:Income TaxGSTTDS

April 2026

7
Apr

TDS Return Q4 FY 2025-26

Form 24Q, 26Q, 27Q for Q4 (Jan-Mar 2026)

TDS
10
Apr

GST GSTR-7

TDS return for March 2026

GST
11
Apr

GST GSTR-1

Outward supplies for March 2026

GST
13
Apr

GST GSTR-6

ISD return for March 2026

GST
20
Apr

GST GSTR-3B

Summary return for March 2026

GST
30
Apr

Advance Tax Q1

First installment of advance tax for FY 2026-27

Income Tax

May 2026

10
May

GST GSTR-7

TDS return for April 2026

GST
11
May

GST GSTR-1

Outward supplies for April 2026

GST
13
May

GST GSTR-6

ISD return for April 2026

GST
15
May

TDS Payment

TDS payment for April 2026

TDS
20
May

GST GSTR-3B

Summary return for April 2026

GST
31
May

TDS Certificate Q4

Issue Form 16 for FY 2025-26

TDS

June 2026

10
Jun

GST GSTR-7

TDS return for May 2026

GST
11
Jun

GST GSTR-1

Outward supplies for May 2026

GST
13
Jun

GST GSTR-6

ISD return for May 2026

GST
15
Jun

TDS Payment

TDS payment for May 2026

TDS
20
Jun

GST GSTR-3B

Summary return for May 2026

GST
30
Jun

GST Annual Return

GSTR-9 for FY 2025-26

GST

July 2026

10
Jul

GST GSTR-7

TDS return for June 2026

GST
11
Jul

GST GSTR-1

Outward supplies for June 2026

GST
13
Jul

GST GSTR-6

ISD return for June 2026

GST
15
Jul

TDS Payment

TDS payment for June 2026

TDS
20
Jul

GST GSTR-3B

Summary return for June 2026

GST
31
Jul

ITR Filing

ITR for individuals (non-audit cases) FY 2025-26

Income Tax
31
Jul

TDS Return Q1

Form 24Q, 26Q, 27Q for Q1 (Apr-Jun 2026)

TDS

August 2026

10
Aug

GST GSTR-7

TDS return for July 2026

GST
11
Aug

GST GSTR-1

Outward supplies for July 2026

GST
13
Aug

GST GSTR-6

ISD return for July 2026

GST
15
Aug

TDS Payment

TDS payment for July 2026

TDS
20
Aug

GST GSTR-3B

Summary return for July 2026

GST
31
Aug

Tax Audit Report

Form 3CA/3CB/3CD for FY 2025-26

Income Tax

September 2026

10
Sep

GST GSTR-7

TDS return for August 2026

GST
11
Sep

GST GSTR-1

Outward supplies for August 2026

GST
13
Sep

GST GSTR-6

ISD return for August 2026

GST
15
Sep

TDS Payment

TDS payment for August 2026

TDS
15
Sep

Advance Tax Q2

Second installment of advance tax for FY 2026-27

Income Tax
20
Sep

GST GSTR-3B

Summary return for August 2026

GST
30
Sep

ITR Filing (Audit)

ITR for audit cases FY 2025-26

Income Tax

October 2026

10
Oct

GST GSTR-7

TDS return for September 2026

GST
11
Oct

GST GSTR-1

Outward supplies for September 2026

GST
13
Oct

GST GSTR-6

ISD return for September 2026

GST
15
Oct

TDS Payment

TDS payment for September 2026

TDS
20
Oct

GST GSTR-3B

Summary return for September 2026

GST
31
Oct

TDS Return Q2

Form 24Q, 26Q, 27Q for Q2 (Jul-Sep 2026)

TDS

November 2026

10
Nov

GST GSTR-7

TDS return for October 2026

GST
11
Nov

GST GSTR-1

Outward supplies for October 2026

GST
13
Nov

GST GSTR-6

ISD return for October 2026

GST
15
Nov

TDS Payment

TDS payment for October 2026

TDS
20
Nov

GST GSTR-3B

Summary return for October 2026

GST
30
Nov

TDS Certificate Q2

Issue Form 16A for Q2 FY 2026-27

TDS

December 2026

10
Dec

GST GSTR-7

TDS return for November 2026

GST
11
Dec

GST GSTR-1

Outward supplies for November 2026

GST
13
Dec

GST GSTR-6

ISD return for November 2026

GST
15
Dec

TDS Payment

TDS payment for November 2026

TDS
15
Dec

Advance Tax Q3

Third installment of advance tax for FY 2026-27

Income Tax
20
Dec

GST GSTR-3B

Summary return for November 2026

GST
31
Dec

GST Reconciliation

GSTR-9C for FY 2025-26

GST

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