Daphne

Expert

Published on: Jun 24, 2026

Income Tax Calendar

The Income Tax Department of India requires a person to complete various kinds of compulsory tax formalities, such as filing income tax returns before the due date, paying advance tax on time, and replying to notices sent by the Income Tax Department within the specified due dates prescribed. Hence, it is important to understand the timelines for Income Tax Payment to avoid paying interest for Income Tax Late Payment. The actual due date for each of the tax formalities varies slightly from year to year. However, the tentative timeline for filing

Income Tax Return is as below :
  • 31st Jul for Individuals
  • 30th Sep for Businesses

Income Tax Calendar

The Indian Income Tax Calendar with key due dates for Income Tax Return Filing are as follows :

Income-Tax-Calendar
Due Date Milestone Advance Tax (Current FY) Return Filing (Past FY)
1st April Start of Financial Year - -
15th June Due date for the First instalment of Advance Tax (15 % Payable) for current Financial Year Yes
31st July Due date for filing income tax return for financial year for all persons except (i) Companies (ii) Non-Companies whose books are required to be audited and (iii) Working partner of a firm whose accounts are required to be audited Yes
15th September Due date for the second installment of Advance Tax (45 % Payable) for current Financial Year Yes
30th September Due date for filing of  Audit report/Income tax return for financial year for the following: (i) Companies (II) Non-Companies whose books are required to be audited Yes
30th November
  • Due date for filing Audit report for financial year in case of a person who is required to submit a report pertaining to international or specified domestic transactions under section 92E
  • Due date for report to be furnished in Form 3 CEB in respect of international and specified domestic transactions.
Yes
15th December Due date for the Third installment of Advance Tax (75 % Payable) for current Financial Year Yes
31st March
  • End of Financial Year
  • Fourth installment of Advance Tax (100 % Payable) for current Financial Year
  • Due date for the whole amount of Advance Tax for current Financial year for taxpayers covered under presumptive scheme of Section 44AD
Yes

Failure to adhere to the mentioned timelines would lead to a late payment charge as per Sections 234A, 234B and 234C. Further details on the calculation of late payment can be found in

Late-Payment-Interest.
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Frequently Asked Questions

Common questions about Income Tax Calendar India.

The due date for filing Income Tax Returns for individuals is 31st July for the previous financial year.
The due date for the first installment of Advance Tax (15% payable) for the current financial year is 15th June.
The due date for filing Income Tax Returns for businesses (companies and non-companies whose books are required to be audited) is 30th September for the previous financial year.
The due date for the second installment of Advance Tax (45% payable) for the current financial year is 15th September.
The due date for filing Audit reports for international or specified domestic transactions under section 92E is 30th November for the previous financial year.
The due date for the third installment of Advance Tax (75% payable) for the current financial year is 15th December.
The due date for the fourth and final installment of Advance Tax (100% payable) for the current financial year is 31st March, which is also the end of the financial year.
Failure to adhere to the mentioned Income Tax payment timelines would lead to a late payment charge as per Sections 234A, 234B, and 234C of the Income Tax Act.
The financial year for Income Tax purposes in India starts on 1st April and ends on 31st March of the following year.
For taxpayers covered under the presumptive scheme of Section 44AD, the due date for paying the entire Advance Tax for the current financial year is 31st March, which is the end of the financial year.