Income Tax Notice Overview understand it before you reply.
A clear, section-wise guide to every Income Tax notice — from 139(9) defective return intimations to 148 reassessment orders — with expert advisory from Chartered Accountants who have replied to thousands of notices for Indian taxpayers and businesses.
Receiving an Income Tax notice can feel alarming, but in most cases it is simply the department seeking clarification, additional documents, or correction of a return. What matters is identifying which section the notice falls under, understanding what the Assessing Officer is actually asking, and responding within the prescribed time.
With increased data-matching between AIS, TIS, Form 26AS, GST returns, and bank reports, notices today are more targeted than ever. Mismatches in high-value transactions, unreported income, claims of HRA or deductions without supporting proof, and discrepancies flagged by CASS often trigger automated communication from the department.
At NDS Advisors, we help individuals, professionals, and businesses decode every type of Income Tax notice — explain the implications in plain language, draft accurate replies, upload responses on the e-filing portal, and represent you before the Assessing Officer when required. The goal is simple: close the notice cleanly, without escalation.
Types of Income Tax Notices
Section 139(9) — Defective Return
Issued when your filed return has errors or missing details — must be rectified within 15 days or the return is treated as invalid.
Section 142(1) — Inquiry Notice
Issued before assessment to call for return filing or to seek specific accounts, documents, and information from the taxpayer.
Section 143(1) — Intimation
Auto-generated intimation showing tax computed, refund due, or demand raised based on processing of your filed return.
Section 143(2) — Scrutiny Notice
Selected for detailed scrutiny under CASS — requires complete documentation and proper representation before the AO.
Section 148 — Reassessment
Issued when income is believed to have escaped assessment — strict timelines and grounds apply post Finance Act amendments.
Section 156 — Demand Notice
Notice of demand for tax, interest, or penalty payable — to be paid within 30 days unless contested through appeal.
Section 245 — Refund Adjustment
Intimation that your refund is being adjusted against an outstanding tax demand from earlier years.
Section 133(6) — Information Call
Notice seeking information on transactions, parties, or accounts — often issued to verify high-value entries flagged in AIS.
How We Handle Your Notice
Notice Review
Reading the notice carefully, identifying the section, the AO, and the exact deadline for response.
Data Reconciliation
Matching ITR figures with AIS, TIS, Form 26AS, and books to spot the trigger behind the notice.
Reply Drafting
Drafting a precise, section-specific response with documentary evidence and legal references.
Portal Submission
Uploading the reply on the e-filing portal under e-Proceedings with proper DSC or EVC.
Closure & Follow-Up
Tracking the proceeding to closure and advising on next steps if escalation or appeal is required.
Why Professional Help Matters
Frequently Asked Questions
An Income Tax notice is an official communication from the Income Tax Department seeking clarification, additional information, or compliance action on your return. Notices are issued under specific sections of the Income Tax Act and require a timely, accurate response.
The most common notices are Section 139(9) for defective returns, Section 142(1) for inquiry, Section 143(1) for intimation, Section 143(2) for scrutiny, Section 148 for reassessment, and Section 245 for adjustment of refunds against demand.
Notices are sent through your registered email ID and appear under the 'e-Proceedings' tab on the Income Tax e-filing portal. SMS alerts are also sent to your registered mobile number.
Ignoring a notice can lead to penalties, best-judgement assessment, additional tax demand, prosecution under Section 276D, and in some cases, attachment of bank accounts or assets.
Yes, you can respond through the e-filing portal, but professional help is strongly recommended for scrutiny, reassessment, or high-value notices to avoid drafting errors that may trigger further proceedings.
Got a Notice? Reply With Confidence.
Share your notice with our team and get a clear assessment, drafted reply, and portal submission — all within deadline, all in one place.
Talk to a Tax Expert or call +91 9819 000 511