What is an Assessment Year (AY)

The assessment year (AY) follows the financial year (FY), where you assess the previous year's income and pay taxes accordingly. Read article to know more
Assessment year (AY)
4 min
10-November-2025

An Assessment Year (AY) refers to the 12-month period — from April 1 to March 31 of the following year — in which you file your Income Tax Return (ITR) for income earned in the previous Financial Year (FY).

For instance, income earned between April 1, 2022, and March 31, 2023 (FY 2022–23) will be assessed in AY 2023–24. This is when the Income Tax Department reviews returns, processes refunds, and determines tax liabilities.

Understanding the difference between FY and AY ensures you meet tax deadlines, avoid penalties, and plan your investments more effectively.

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Example of Assessment Year (AY)

To illustrate, consider the period from April 1, 2022, to March 31, 2023, which is the Financial Year (FY) 2022-23. The income earned during this time is assessed in the subsequent Assessment Year, AY 2023-24, spanning from April 1, 2023, to March 31, 2024. This means taxpayers will file their income tax returns for the income earned in FY 2022-23 during AY 2023-24.

Common mistakes to avoid when filing taxes for the Assessment Year (AY)

Filing income tax returns can be intricate, and taxpayers often make errors that may lead to penalties or delays in refunds. Here are common mistakes to avoid:

  • Incorrect personal information: Ensure your name, PAN, and contact details are accurate to prevent processing issues.
  • Choosing the wrong ITR form: Select the appropriate Income Tax Return (ITR) form based on your income sources and category.
  • Omitting income sources: Report all income, including interest from savings accounts, fixed deposits, and rental income.
  • Mismatch in TDS details: Verify that Tax Deducted at Source (TDS) details match Form 26AS to avoid discrepancies.
  • Ignoring deductions: Claim eligible deductions under sections like 80C, 80D, etc., to reduce taxable income.
  • Errors in tax computation: Accurately calculate tax liability considering applicable slabs and cess.
  • Not reporting exempt income: Disclose exempt income, such as agricultural income, even if it's non-taxable.
  • Failure to carry forward losses: Properly report losses to carry them forward for future set-off.
  • Neglecting to verify the return: Complete the verification process after filing; unverified returns are considered invalid.
  • Missing the filing deadline: File returns by the due date to avoid late fees and interest penalties.
  • Not maintaining records: Keep all supporting documents for income and deductions claimed for future reference.
  • Incorrect bank details: Provide accurate bank account information to ensure timely credit of refunds.
  • Overlooking advance tax payments: Pay advance tax if liable to avoid interest on unpaid taxes.
  • Filing multiple returns: Avoid submitting multiple returns for the same Assessment Year; it can cause confusion.
  • Not disclosing foreign assets: Report foreign assets and income to comply with legal requirements.

Avoiding these mistakes can lead to a smoother tax filing experience and prevent potential legal complications.

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Step-by-step guide on filing taxes for the Assessment Year

Filing your income tax return is a systematic process. Here's a step-by-step guide:

  1. Collect necessary documents: Gather Form 16, interest certificates, investment proofs, and other relevant documents.
  2. Choose the correct ITR form: Identify the appropriate form based on your income sources (e.g., ITR-1 for salaried individuals).
  3. Register/Login on the e-filing portal: Access the Income Tax Department's e-filing portal and log in using your credentials.
  4. Fill in personal and income details: Enter personal information and income details accurately in the selected ITR form.
  5. Claim deductions: Input eligible deductions under various sections to reduce taxable income.
  6. Compute tax liability: Calculate the tax payable after considering deductions and taxes already paid.
  7. Pay additional tax, if required: If there's any tax due, pay it and note the challan details.
  8. Verify TDS details: Cross-check TDS details with Form 26AS to ensure accuracy.
  9. Submit the return: Review all entered information and submit the return electronically.
  10. Verify the return: Complete the verification process through methods like Aadhaar OTP, net banking, or by sending a signed ITR-V to CPC, Bengaluru.

Following these steps ensures compliance with tax laws and facilitates timely processing of refunds.

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Conclusion

Understanding the concept of the Assessment Year is crucial for timely and accurate income tax filing. It represents the period during which income earned in the preceding Financial Year is assessed and taxed. Being aware of common mistakes and following a structured filing process can lead to a hassle-free tax experience. Accurate reporting and compliance not only fulfil legal obligations but also contribute to the nation's economic health.

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Frequently asked questions

What is an assessment year?
An assessment year (AY) is the 12-month period from April 1 to March 31 of the following year when taxpayers file their income tax returns for the previous financial year. During this time, the Income Tax Department assesses tax liabilities, processes refunds, and verifies tax payments based on the income earned in the prior year.

What is the ideal time to invest in a Fixed Deposit?

Ideally, right after the financial year ends — once you have filed your returns. It helps you lock in funds and earn stable returns for upcoming expenses. Book FD.

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Disclaimer

As regards deposit taking activity of Bajaj Finance Ltd (BFL), the viewers may refer to the advertisement in the Indian Express (Mumbai Edition) and Loksatta (Pune Edition) furnished in the application form for soliciting public deposits or referhttps://www.bajajfinserv.in/fixed-deposit-archivesThe company is having a valid Certificate of Registration dated March 5, 1998 issued by the Reserve Bank of India under section 45 IA of the Reserve Bank of India Act, 1934. However, the RBI does not accept any responsibility or guarantee about the present position as to the financial soundness of the company or for the correctness of any of the statements or representations made or opinions expressed by the company and for repayment of deposits/discharge of the liabilities by the company.

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