Introduction

In India, tax compliance is not just about paying taxes; it is about meeting deadlines accurately and consistently. Missing a due date can lead to penalties, interest, and even legal notices.

A Dates Calendar for All Tax helps taxpayers stay organized by providing a structured timeline of all important compliance dates across Income Tax, GST, TDS, and other statutory requirements.

Whether you are a salaried employee, freelancer, or business owner, maintaining a tax calendar ensures peace of mind and financial discipline.

What is a Tax Compliance Calendar?

A Tax Compliance Calendar is a systematic schedule that lists all important tax-related due dates for a financial year.

 Purpose:

• Track filing and payment deadlines

• Avoid penalties and late fee’s

• Ensure smooth financial planning

 Who Should Use It?

• Individuals & salaried employees

• Freelancers & consultants

• Businesses & companies

• Chartered Accountants & tax professionals

Types of Taxes Covered

A comprehensive tax calendar includes the following:

 Income Tax

• ITR filing

• Advance tax payments

• Tax audit compliance

 TDS (Tax Deducted at Source)

• Monthly deposit

• Quarterly returns

• Certificate issuance

 TCS (Tax Collected at Source): Collection & return filing

 GST (Goods and Services Tax)

• GSTR-1, GSTR-3B

• Annual returns

 Advance Tax: Quarterly installments

 Other Compliances

• PF & ESI

• ROC filings

• Professional Tax

Key Highlights of FY 2026–27

• Increased focus on digital compliance & automation

• Stricter tracking of TDS/TCS reporting

• Greater integration between GST & Income Tax systems

• Emphasis on timely filing to avoid system-generated notice

Tax authorities are now using AI-based tracking, making compliance more critical than ever.

Complete Month-wise Tax Calendar (April 2026 – March 2027)

 April: TDS payment (March) and GST returns (March)

 May: TDS return (Q4) and GSTR-1 & GSTR-3B

 June: Advance Tax (1st installment – 15 June)

 July:  ITR filing (non-audit cases) and TDS returns

 August: Regular GST & TDS compliance

 September: Advance Tax (2nd installment – 15 Sept)

 October: Tax audit due date

 November: ITR for audit cases

 December: Advance Tax (3rd installment – 15 Dec)

 January: Routine filings

 February: Pre-year-end planning

 March: Advance Tax (final installment – 15 March) and Year-end compliance

Section-wise Compliance Calendar 

 Income Tax Sections:

• Section 139(1) → ITR filing

• Section 44AB → Tax audit

• Section 234F → Late filing fee

 GST Sections:

• GST return filing provisions

• Input Tax Credit rules

 This helps professionals link due dates with legal provisions.

Quarterly Compliance Overview

 TDS/TCS Returns:

• Q1 → July

• Q2 → October

• Q3 → January

• Q4 → May

 Advance Tax:

• 15 June – 15%

• 15 Sept – 45%

• 15 Dec – 75%

• 15 March – 100%

 GST (QRMP Scheme):

• Quarterly return filing

Due Dates Based on Taxpayer Type

 Salaried Individuals

• ITR filing

• Tax-saving investments

 Freelancers & Professionals

• Advance tax

• GST (if applicable)

 Businesses & Companies

• GST returns

• TDS compliance

• Audit & ROC filings

Important Income Tax Deadlines

• ITR (Non-audit) → 31 July

• ITR (Audit cases) → 31 October

• Belated return → 31 December

• Revised return → 31 December

GST Compliance Calendar

• GSTR-1 → Monthly/Quarterly

• GSTR-3B → Monthly

• GSTR-9/9C → Annual return

 Timely GST filing ensures smooth Input Tax Credit (ITC) flow.

TDS & TCS Compliance Dates

 Monthly: Deposit by 7th of next month

 Quarterly: Return filing

 Certificates: Form 16 / 16A issuance

Advance Tax Schedule

Advance tax is payable in installments:

• 15 June → 15%

• 15 September → 45%

• 15 December → 75%

• 15 March → 100%

Due Date Extension & Relief Provisions 

Sometimes, authorities extend deadlines due to

• Technical issues

• Natural disasters

• Policy change’s

 Notifications are issued by CBDT & GST Council

Read the rest in 'Important Dates And Calendar For All Taxes Part 2— Click Here