Finding an income tax notice in your inbox or on the IT portal is unsettling. Your mind immediately jumps to the worst-case scenario — penalties, prosecution, raids. Take a breath. In the vast majority of cases, the reality is far less alarming than the fear.
Having personally handled over 200 income tax notices for individuals and businesses, I can tell you this with confidence: most notices are procedural. They are either automated communications from the CPC Bangalore system, requests for minor clarifications, or intimations about adjustments already made to your return. They do not mean you are under investigation. They do not mean you have done something wrong.
That said, every notice demands a response — and a timely one. Ignoring even a routine notice can escalate it into a serious problem. The key is to understand what you have received, assess its severity correctly, and respond within the deadline. This guide will walk you through exactly that.
The Income Tax Act prescribes different notice sections for different purposes. Understanding the section number printed on your notice is the single most important step in determining how concerned you should be — and how to respond.
This is the most common notice taxpayers receive, and it is usually nothing to worry about. After you file your return, the CPC processes it through an automated system that checks for arithmetic errors, incorrect tax calculations, mismatches in TDS claims, and disallowed deductions. The intimation under Section 143(1) simply communicates the result of this processing. If the computed tax matches your return, you will see "No demand, no refund" or a confirmation of your refund. If there is a difference, the intimation will show a demand or a revised refund amount. In most cases, the discrepancy is minor and can be resolved by verifying the adjustments against your Form 26AS and AIS.
This notice means your return has a defect — a missing schedule, an inconsistency in the data, or an incomplete form. The Department gives you 15 days from the date of the notice to correct the defect and re-submit the return. If you respond within the deadline, your original filing date is preserved. If you do not, the return is treated as if it was never filed — which triggers late filing consequences. Common defects include not filling the balance sheet and profit-and-loss account in ITR-3, leaving mandatory schedules blank, or mismatch between the total income computed and the tax paid.
This notice is issued when the Assessing Officer needs additional information or documents before completing your assessment. It may ask you to furnish specific records — bank statements, investment proofs, expense vouchers, or details of particular transactions. It can be issued whether or not you have filed a return. If you have not filed, it serves as a directive to file. The scope of Section 142(1) is wide, and while it is not as serious as a scrutiny notice, it requires careful attention. Provide only what is asked for, ensure documents are organized and legible, and respond well before the deadline.
This is the notice that warrants genuine concern. A Section 143(2) notice means the Assessing Officer has selected your return for detailed scrutiny. This could be triggered by the Computer Assisted Scrutiny Selection (CASS) system, which flags returns based on risk parameters — high deductions relative to income, unusual transactions, significant year-on-year income variation, or random selection. Once a scrutiny notice is issued, the AO will examine your return in detail, call for documents, question specific entries, and arrive at an independent assessment of your income. If the AO determines that your income is higher than what you reported, a demand will be raised along with interest and potentially penalties. This is the stage where professional representation by a Chartered Accountant is not optional — it is essential.
A notice under Section 148 means the Department believes that income chargeable to tax has escaped assessment in a prior year. In plain terms, the Department thinks you earned more than what you reported, and they are reopening your old return to assess the difference. Following amendments introduced by the Finance Act 2021, the Department must first issue a notice under Section 148A, providing you an opportunity to respond before deciding whether to issue the Section 148 reassessment notice. Reassessment proceedings can go back up to three years from the end of the relevant assessment year in normal cases, and up to ten years in cases involving assets or income exceeding Rs. 50 lakh that have escaped assessment. These notices are serious. They require a thorough review of the original return, the reasons recorded by the AO, and a carefully drafted legal response.
If you have an outstanding tax demand from a previous assessment year and are entitled to a refund for the current year, the Department can adjust your refund against the older demand. Before making this adjustment, the Department is required to issue an intimation under Section 245, giving you a chance to respond. If the older demand is incorrect or has already been resolved, you must respond to prevent the adjustment. Check your outstanding demands on the IT portal under "Pending Actions" and respond through the e-proceedings tab.
A notice under Section 154 relates to the correction of a mistake apparent from the record in an order already passed. This could be initiated by the Department or requested by you. Common scenarios include arithmetical errors in the CPC intimation, incorrect application of tax rates, or credit for TDS not being granted. If the Department proposes a rectification that increases your demand, you will receive a notice giving you an opportunity to respond before the rectification order is passed.
These are penalty notices for concealment of income or furnishing inaccurate particulars. Section 271(1)(c) was the operative provision for assessment years prior to AY 2017-18, while Section 270A applies from AY 2017-18 onwards. Under Section 270A, penalties are categorized as under-reporting of income (penalty of 50% of the tax on under-reported income) and misreporting of income (penalty of 200% of the tax on misreported income). Penalty proceedings are separate from the assessment proceedings and offer you an independent opportunity to present your case. The burden of proving concealment or misreporting lies with the Department, and there are well-established grounds on which penalties can be challenged and deleted.
Before you respond to any notice, verify that it is authentic. Tax scams — fake notices sent via email or SMS demanding immediate payment — have become increasingly common. Here is how to confirm legitimacy:
If you have any doubt about a notice's authenticity, do not click any links or make any payments. Contact a CA or visit your jurisdictional Income Tax office to verify.
Regardless of the type of notice, follow this methodical process:
Step 1: Read the notice carefully and note two things — the section number and the response deadline. The section number tells you the nature and severity of the notice. The deadline tells you how much time you have. Write both down. Every subsequent action depends on these two pieces of information.
Step 2: Log into the Income Tax portal and check "Pending Actions" followed by "Compliance." The portal will show you the notice, any attachments, the response mechanism, and the due date. Some notices require an online response through the e-proceedings facility; others may require uploading documents or filing a revised return.
Step 3: Gather all relevant documents. Depending on the notice type, this may include your original return acknowledgment, Form 26AS, AIS, bank statements, investment proofs, rent receipts, TDS certificates, capital gains statements, or business books of accounts. Organize these before drafting your response.
Step 4: Respond within the deadline. This cannot be overstated. If you do not respond within the stipulated time, the Assessing Officer is entitled to complete the assessment on a best-judgment basis — known as an ex-parte assessment — using whatever information the Department already has. An ex-parte order almost always results in a higher demand than what a proper response would have produced. If you need more time, file an adjournment request before the deadline, not after.
Step 5: For scrutiny notices (Section 143(2)), reassessment notices (Section 148), or penalty notices (Section 271(1)(c) / 270A), engage a Chartered Accountant. These proceedings involve legal interpretation, document presentation strategy, and in many cases, personal hearings before the Assessing Officer. The stakes are high enough that self-representation is inadvisable.
Understanding why notices are issued can help you avoid them in the future — and help you frame your response if you have already received one.
Section 143(1) Intimation: Compare the CPC's computation with your original return line by line. If you agree with the adjustment, pay the demand (if any) through the IT portal. If you disagree, file a rectification request under Section 154 online, clearly explaining the error and attaching supporting documents.
Section 139(9) Defective Return: Identify the specific defect mentioned in the notice. Correct the return and resubmit it through the portal within 15 days. If the defect involves missing schedules or incorrect form selection, you may need to re-file using the correct ITR form.
Section 142(1) Inquiry: Submit only the specific documents and information requested. Frame your response precisely — avoid volunteering additional information that was not asked for. Upload documents through the e-proceedings facility on the portal.
Section 143(2) Scrutiny: Engage a CA immediately. Your CA will review the notice, prepare submissions, compile supporting documentation, and represent you during hearings. Respond to every query raised by the AO within the given time. Keep a record of every document submitted.
Section 148 / 148A Reassessment: This requires a legal response. Under Section 148A, you must first respond to the notice explaining why you believe the income has not escaped assessment, supported by documentary evidence. A well-drafted response at this stage can prevent the reassessment proceedings from going forward. Engage a CA with experience in reassessment cases.
Section 245 Refund Adjustment: Check whether the outstanding demand referenced in the notice is valid. If it has already been paid, upload the challan as proof. If the demand arose from an incorrect order, file a rectification or response explaining the error. If you do not respond, the refund will be adjusted automatically.
Section 154 Rectification: If the proposed rectification is correct, no action may be needed. If it increases your demand incorrectly, submit a response through the portal with supporting calculations and documents within the time provided.
Section 271(1)(c) / 270A Penalty: These require a detailed written submission explaining why the penalty is not warranted. Common defenses include disclosure of all material facts, reliance on professional advice, bona fide belief, and technical grounds such as improper initiation of penalty proceedings. This is strictly CA territory — do not attempt to respond without professional help.
Not every notice requires professional help. A simple Section 143(1) intimation with a minor adjustment can often be handled on your own if you are comfortable navigating the IT portal. However, certain notices carry consequences serious enough that professional representation is not a luxury — it is a necessity.
At Tax Pandey, income tax notice resolution is one of our core practice areas. CA Kuldeep Pandey has personally represented clients in over 200 notice proceedings — from routine 143(1) adjustments to complex reassessment and penalty cases.
Our process is straightforward. When you bring a notice to us, we begin with a thorough review of the notice, your original return, Form 26AS, AIS, and all relevant documents. We identify the exact issue the Department has raised, assess the strength of your position, and prepare a clear, well-documented response. For scrutiny and reassessment cases, CA Kuldeep Pandey personally handles the hearings and representations before the Assessing Officer.
We believe in full transparency. Before we respond on your behalf, we explain exactly what the notice means, what the possible outcomes are, and what our recommended course of action is. There are no surprises. You remain informed at every stage.
Whether it is a simple rectification or a multi-year reassessment proceeding, we bring the same level of diligence and attention. The goal is always to resolve the matter with the least possible tax liability, within the framework of the law.
This section exists because it needs to. Every year, taxpayers ignore notices — sometimes out of fear, sometimes out of ignorance, sometimes hoping the problem will go away on its own. It will not.
The message is simple: respond to every notice, on time, every time. If you are unsure how to respond, seek professional help. The cost of a CA consultation is negligible compared to the cost of an adverse assessment order.
Disclaimer: This article is for informational purposes only and reflects tax laws as understood in April 2026. Tax legislation changes frequently. Always verify current provisions on official government portals and consult a qualified Chartered Accountant before making financial decisions.