How to Fix AIS Mismatch While Filing Your Income Tax Return – Simple Guide (AY 2025–26)

Taxpayers across India are experiencing AIS mismatch issues during tax filing. This happens when the data in the Annual Information Statement (AIS) does not match the information you entered while filing your ITR.

Here is a simple, clear guide to understand and fix AIS mismatch quickly.

What Causes AIS Mismatch?

Common reasons include:

• TDS is not reflecting or showing lower/higher
• Bank interest or FD interest mismatch
• Income duplicated in AIS
• Wrong reporting by banks, employers, or financial institutions
• Transactions reported under the wrong PAN
• Dividend income difference
• Foreign income not updated• Mutual fund redemption mismatch

How to Fix AIS Mismatch - Step-by-Step

Step 1: Download Your AIS

Login to the Income Tax Portal → Go to AIS → Annual Information Statement → Download PDF.

Check all entries like:

• Salary
• Bank interest
• Mutual funds
• SFT transactions
• TDS/TCS details
• Share trading income

Step 2: Compare AIS With Your Records

Match AIS with:

• Form 16
• Form 26AS
• Bank statements
• Broker statements (Zerodha, Upstox, Groww)
• Dividend statements

Identify which values do not match.

Step 3: Use the "Feedback" Option

On the AIS portal, choose 'Feedback' and select the correct option:

• Information is correct
• Information is incorrect
• Information belongs to another person
• Information is duplicated
• Information is denied

This updates the error.

Step 4: Recalculate Your Income

Make sure your final taxable income includes:

• Correct interest
• Correct capital gains
• Correct TDS
• Correct dividends

Step 5: Refile or Update Your ITR

If mismatch was major → revise ITR If mismatch was minor → update relevant schedules

What If You Don't Fix AIS Mismatch?

If ignored, you may receive:

• Section 143(1) demand
• Section 139(9) defective return
• Tax notice for a mismatch
• Delay in refund