AIS Data Inaccurate? Here Is How You Can Fix It (2026 Guide)

You downloaded your Annual Information Statement. You cross-checked it carefully. And then you noticed something wrong.

A bank interest amount that does not match your passbook. A capital gain figure that looks different from what your broker reported. An income entry that should not be there at all.

Do not panic. AIS mismatches are more common than most people realise — and the Income Tax Department has a built-in process to correct them. Here is exactly what to do.

Why AIS Data Can Be Inaccurate

The AIS pulls information automatically from multiple sources — banks, brokers, mutual fund houses, property registrars, and employers. When any of these sources report incorrect or delayed data your AIS reflects that error.

The most common mismatches Indian taxpayers are seeing in 2026 include the following.

Bank interest mismatches — your bank may have reported your savings account interest or fixed deposit interest incorrectly to the Income Tax Department. This happens when banks report on an accrual basis but you account for interest on a receipt basis.

Capital gains mismatches — your broker or mutual fund house may have reported transaction values that differ from what you actually received after charges and fees. This is particularly common for F&O traders after the 2026 STT hike changed transaction cost calculations.

Extra income entries — sometimes income that does not belong to you appears in your AIS. This can happen due to PAN mismatches — another taxpayer's transaction incorrectly linked to your PAN number.

Missing income entries — dividend income, interest from bonds, or proceeds from property sales may not appear in your AIS if the reporting entity submitted data late or incorrectly.

Duplicate entries — the same transaction appearing twice in your AIS due to reporting errors from the source institution.


How to Raise a Correction Request in AIS — Step by Step

Step 1 — Log in to the Income Tax e-Filing portal using your PAN and password.

Step 2 — Go to Services and select Annual Information Statement.

Step 3 — Click Proceed to open your AIS dashboard.

Step 4 — Find the specific transaction that is incorrect. Click on it to expand the details.

Step 5 — You will see a feedback option next to the transaction. Click Submit Feedback.

Step 6 — Select the reason for your feedback from the dropdown menu. Options include Information is correct, Information is not fully correct, Information relates to other PAN or year, Information is duplicate, and Information is denied.

Step 7 — Select the appropriate reason and add a brief explanation in the remarks field. Be specific — mention the correct amount or explain why the entry does not belong to you.

Step 8 — Submit the feedback. You will receive a confirmation on screen.

The Income Tax Department reviews your feedback and updates the AIS accordingly. This process typically takes a few weeks. You can track the status of your feedback in the same AIS portal.


Important — Keep Supporting Documents Ready

Raising a correction request is step one. Supporting your correction with documentation is step two.

Always keep these documents ready in case the Income Tax Department asks for clarification.

Bank statements showing actual interest credited. Your broker's contract notes showing actual capital gain or loss. Mutual fund account statements from CAMS or KFintech showing actual transaction values. Property sale agreement and registration documents if property transactions are involved. Form 16 from your employer for salary related mismatches.

Do not discard these documents after filing your ITR. The Income Tax Department can reopen assessments for several years after filing. To be safe keep all supporting documents — bank statements, broker notes, CAMS statements, Form 16 — for a minimum of seven to eight years after the relevant financial year. If you have income from foreign assets keep records for up to sixteen years. When in doubt keep more not less. If you want to know more about what else changed in Income Tax Act 2025 which is effective from 1st April 2026, you can read my post on same using the link mentioned below.


What Happens If You File ITR Without Correcting AIS Mismatches

This is the most important thing to understand. Under the new Income Tax Act 2025 the department uses Faceless Assessment technology that automatically compares your filed ITR with your AIS data.

If your ITR shows income of ₹50,000 from fixed deposits but your AIS shows ₹75,000 the system will automatically flag this as an arithmetical error and may issue a notice asking you to explain the difference.

This does not mean you have done anything wrong. It means the AIS data was incorrect and you filed based on your actual income. But you will need to respond to the notice with your supporting documents.

The simplest way to avoid this situation entirely — correct the AIS mismatch before filing your ITR. A few minutes of feedback submission now saves hours of notice response later.


The Honest Bottom Line

AIS mismatches are a normal part of the new tax system's growing pains. The data flows from hundreds of reporting entities and errors happen. The correction process exists precisely because the government knows this.

Check your AIS before filing. Correct any mismatches you find. Keep your supporting documents. File your ITR based on your actual income. That four step process protects you under the new 2026 tax framework.


A Note From Me

I am not a tax consultant or a SEBI registered advisor. I am a fellow taxpayer and investor who tries to navigate these systems myself and shares what I learn in plain language so others do not have to struggle alone. Everything here is based on my own research and experience.

If you found this useful please follow and subscribe to India SIP Tracker using the form in the sidebar. I write plain language personal finance guide for Indian investors — no jargon, no spam, just honest practical information.

And if you have a question about your own AIS mismatch situation drop it in the comments below. I will do my best to help.


Related Posts to read

How to download and check your AIS before filing ITR

India's new Income Tax Act 2025 is Live - 15 changes Every Investor must know


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