ITR Filed Successfully? 8 Income Tax Notices You May Still Receive and How to Respond

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CA. Lakshy Vermaa   |   Published on: 21-08-2026 | 12 min read

Filing your Income Tax Return (ITR) successfully does not necessarily mean that the tax process for the year is completely over. After a return is submitted and verified, the Income Tax Department processes the information and may compare it with tax credits, employer-reported salary, bank information, investment transactions and other data available with the department.

Following the completion of the ITR filing deadline for many individual taxpayers, it is therefore important to keep checking the registered email address, mobile alerts and the Income Tax e-Filing portal. A communication from the department should not automatically create panic. Some are routine intimations generated during processing, while others ask taxpayers to correct an error, explain a mismatch or provide supporting documents. More serious cases may move to scrutiny or reassessment proceedings.

Here are eight important types of income tax communications taxpayers should understand after filing their return.

1. Section 143(1)(a): Proposed Adjustment During ITR Processing

One of the most common communications taxpayers may encounter relates to processing of the return.

Under Section 143(1)(a), the Centralised Processing Centre may identify an apparent inconsistency or incorrect claim while processing the ITR. This could involve deductions, income figures, tax credits or information reported by third parties.

For example, suppose you claim a deduction in your ITR but the information available with the department indicates that the deduction may not be admissible. Before making certain adjustments, the taxpayer may be given an opportunity to respond.

What should you do?

Read the proposed adjustment carefully and compare it with your filed return, Form 16, AIS, TIS, Form 26AS and supporting documents.

If the department's observation is correct, you can accept the adjustment. If you believe your return is correct, submit your disagreement electronically with an appropriate explanation and evidence within the time allowed.

Do not accept an adjustment merely because it has come from the tax department. Equally, do not reject it without checking your records.

2. Section 139(9): Defective Income Tax Return

An ITR may be filed successfully but subsequently be treated as defective if important information is missing or the return contains specified deficiencies.

A notice under Section 139(9) provides an opportunity to correct such defects. The department's current ITR validation framework also specifically recognises returns filed in response to notices under Section 139(9).

Possible problems may include incomplete information, inconsistencies in the return or other defects identified during processing.

What should you do?

First identify exactly what defect has been mentioned.

Correct the relevant information and submit the response through the e-Filing portal within the deadline stated in the communication.

Ignoring a defective-return notice can have significant consequences because the return may ultimately be treated as invalid if the defect is not corrected as required.

3. Section 142(1): Inquiry Before Assessment

A notice under Section 142(1) generally means that the Assessing Officer needs additional information to proceed with an assessment.

The department may ask for documents, accounts, explanations or details relating to particular transactions. Such a notice can also arise where a person was required to file an income tax return but did not do so.

For a salaried taxpayer, questions could potentially relate to salary, house-property income, capital gains, deductions, bank transactions or another item appearing in the tax records.

How should you respond?

Do not provide an incomplete or casual response.

Read every question separately and prepare supporting documents relevant to each point. Upload the information through the prescribed electronic proceedings facility and retain copies of everything submitted.

Most importantly, comply with the deadline mentioned in the notice.

4. Section 143(2): Scrutiny Assessment Notice

A Section 143(2) communication deserves particular attention because it indicates that the return has been selected for scrutiny.

The purpose is to examine the accuracy of information reported in the ITR, including income, deductions, exemptions, losses and other claims.

Receiving a scrutiny notice does not by itself establish tax evasion or wrongdoing. It means the department wants a more detailed examination of the return and supporting evidence.

What should taxpayers do?

Organise documents relating to the areas mentioned in the proceedings. Depending on the issue, these could include:

  • Form 16 and salary records
  • Bank statements
  • Capital-gain calculations
  • Property purchase or sale documents
  • Investment statements
  • Deduction proofs
  • Loan statements
  • Rent-related documents
  • Other relevant financial records

Answer questions factually and ensure that your explanation is consistent with the ITR and documents already submitted.

5. Section 148: Income Escaping Assessment

A notice connected with Section 148 is more serious than a routine processing communication.

Broadly, reassessment provisions can apply where the tax authorities proceed on the basis that taxable income has escaped assessment, subject to the conditions and procedures prescribed under income-tax law.

This could potentially arise when information regarding a significant transaction or source of income does not correspond with what was reported earlier.

What should you do?

Carefully examine the assessment year, transaction and basis of the proceedings.

Where a return is required in response, comply with the applicable procedure and prepare a detailed explanation supported by evidence.

Because reassessment proceedings can involve important legal and factual questions, taxpayers may benefit from taking assistance from a Chartered Accountant or other qualified tax professional rather than submitting an unplanned response.

6. Section 245: Your Refund May Be Adjusted Against an Earlier Tax Demand

Imagine that your ITR shows a refund of ₹40,000, but the tax department's system also shows an unpaid demand relating to an earlier assessment year.

Instead of immediately releasing the entire refund, the department may propose adjusting it against the outstanding liability.

This is the type of situation associated with Section 245.

What should you check?

Never assume that an old demand is automatically correct.

Verify the assessment year, amount and reason for the outstanding demand.

If the liability is genuine and unpaid, the adjustment may be appropriate.

However, if the demand has already been paid, rectified, appealed against or is otherwise incorrect, submit your disagreement through the appropriate online facility with supporting records.

Keep challans, earlier orders and correspondence ready where relevant.

7. Section 154: Rectification of an Apparent Mistake

Sometimes the problem does not require a full scrutiny or reassessment. There may simply be an obvious error in an existing tax record or order.

Section 154 deals with rectification of mistakes apparent from the record. These can include certain clerical, mathematical or similarly evident mistakes.

How should you respond?

Review the proposed rectification and compare it with your original return, tax computation and relevant order.

If the correction is justified, accepting it may resolve the matter quickly.

If you believe the proposed rectification is incorrect, provide a clear objection explaining why, together with supporting documents.

The key distinction is that Section 154 is intended for an apparent mistake rather than a complicated issue requiring extensive investigation.

8. Section 263: Revision of an Assessment Order

Section 263 is considerably different from ordinary return-processing communications.

Under this provision, the Commissioner can initiate revision proceedings where an assessment order is considered erroneous and prejudicial to the interests of the Revenue.

Because this relates to an assessment order that has already been passed, taxpayers should treat such proceedings seriously.

What should you do?

Review the original assessment order and understand precisely why revision has been proposed.

Prepare a detailed written submission explaining the facts, documents and legal position supporting the original treatment.

For a Section 263 proceeding, professional assistance is generally advisable because the dispute may involve interpretation of tax law as well as examination of the assessment record.

Received an Income Tax Notice? Follow These Basic Rules

The biggest mistake is either panicking immediately or ignoring the communication.

First, verify the communication through the official Income Tax e-Filing portal. The department's portal provides services relating to return filing, intimations, rectification, refunds and processing-related matters.

Then check the section under which the communication has been issued, the assessment year involved, the response deadline and the specific information requested.

Keep your Form 16, AIS, TIS, Form 26AS, bank statements, investment records, property documents, deduction proofs and tax-payment challans organised.

Most importantly, respond within the specified deadline. Where the issue involves scrutiny, reassessment, substantial unexplained transactions or revision proceedings, professional tax advice can help prevent an incomplete or inconsistent response.

Filing Your ITR Is Only the First Step

A successfully filed and verified ITR is an important milestone, but taxpayers should continue monitoring their tax account until processing and any related proceedings are completed.

The Income Tax Department increasingly relies on electronically available information and validation systems while processing returns. Current ITR validation rules also accommodate returns filed in response to statutory notices such as Sections 139(9), 142(1) and 148.

That makes accurate reporting and good record-keeping increasingly important.

A difference between your ITR and information available with another reporting entity does not automatically mean wrongdoing. What matters is whether the figures are correct, whether you can substantiate your claims and whether you respond appropriately when clarification is requested.

Conclusion

Receiving an Income Tax Department communication after successfully filing an ITR should not automatically be viewed as a penalty or accusation. A Section 143(1)(a) communication may concern a proposed processing adjustment, while Section 139(9) can give you an opportunity to correct a defective return. Section 142(1) may request additional information, whereas Section 143(2) indicates scrutiny of the return.

More significant proceedings can arise under Section 148 for reassessment, Section 245 for proposed refund adjustment, Section 154 for rectification and Section 263 for revision of an assessment order.

The safest approach is simple: verify the communication, understand the section, check the deadline, gather supporting documents and submit an accurate response through the prescribed channel.

Most importantly, do not ignore an official tax communication simply because your ITR was already filed successfully.

Disclaimer: This article is for general informational purposes and should not be treated as personalised tax or legal advice. Tax provisions, procedures and deadlines can depend on the assessment year and individual circumstances. Consult a qualified tax professional where necessary.


About the Author

Written by CA. Lakshy Vermaa • 21-08-2026

CA. Lakshy Vermaa advises small and mid-sized businesses on accounting discipline, tax compliance, and process improvement. With exposure to retail and trading environments, he writes practical articles aimed at helping business owners gain better financial visibility and control.

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