NRI Income Tax & Compliance

Section 147 of the Income-tax Act, 1961 (ITA) Demystified

  • June 5, 2026
  • 12 mins
  • 11.2K Views
Section 147 of the Income Tax Act

Section 147 of the Income Tax Act plays a vital role in ensuring that every income subject to taxation is accurately reported and assessed. It outlines the responsibilities of the Assessing Officer (AO) to identify discrepancies, issue notices, and conduct reassessments to preserve the integrity of the tax system.

The Finance Act of 2021 has significantly revamped the assessment and reassessment provisions under Section 147. In this blog, we will understand Section 147 in detail, but before that, let’s look at the important terms associated with it.

Assessment

Assessment is the examination of your income tax return by the Income Tax Department. The department may seek additional information if required. The goal is to ensure accurate reporting of income, deductions, and claims.

There are various types of assessments.

Types of Assessments

Assessment can take various forms, including self-assessment, preliminary assessment, regular assessment, and special assessment.

  • Self-Assessment: Here, taxpayers calculate their own tax liability depending on their income for a specific financial year. They must then file an ITR (Income Tax Return) during the subsequent assessment year (AY).

For example, earnings in the financial year 2024–2025 will be assessed in the assessment year 2025–2026. After self-assessment, taxpayers calculate their tax liability, pay it, and submit their ITR. After that, the Income Tax Department processes the return electronically to check for arithmetic errors or incorrect claims, generally without detailed scrutiny at this stage.

  • Processing of Return (Section 143(1)): Once the ITR is filed following self-assessment, the Income Tax Department conducts an automated preliminary check and validation under Section 143(1). This initial processing identifies calculation errors, tax mismatches, or incorrect claims without a detailed examination.
  • Regular Assessment: Following processing, a detailed evaluation may be performed. It includes a comprehensive review of the tax return and documents by tax officials to ensure accurate income reporting and tax payment. This type of assessment is further divided into two categories:
    • Scrutiny Assessment: A detailed examination of the return to verify the accuracy of reported income and claims (generally under Section 143(3)).
    • Best Judgement Assessment:  If the taxpayer fails to provide necessary information, the Assessing Officer determines the assessment using the best available information (generally under Section 144).
  • Reassessment (Income Escaping Assessment): There may be instances where certain income heads are not assessed during the original assessment proceedings. If the Assessing Officer determines that taxable income was not properly assessed based on information suggesting income escaping assessment, they may reopen the case under Section 147 of the Income Tax Act, subject to conditions specified under Sections 148 to 151.

Search-related assessments continue to be governed separately under Sections 153A to 153C where applicable.

Reassessment can occur more than once if conditions prescribed under law are satisfied.

Explanation of Section 147

Section 147 authorizes the AO to reassess income that has escaped assessment based on information suggesting income escapement, subject to procedural safeguards introduced in recent amendments.

Income is considered to have escaped assessment if it has not been properly subjected to tax.

For example:

  • If an individual earns ₹24 lakh but reports only ₹20 lakh, then ₹4 lakh may be treated as income escaping assessment.
  • If a business earns ₹40 lakh but does not file a return, the entire amount may be treated as income escaping assessment.

The Finance Act, 2021 introduced changes to improve transparency, procedural fairness, and clarity in reassessment.

Amendments of the Finance Act 2021

The Finance Act 2021 substituted earlier reassessment provisions and introduced revised Sections 147, 148, 148A, and 149. However, search assessment provisions under Sections 153A–153C continue to apply separately where relevant.

Introduction of Section 148A: The Finance Act, 2021, has inserted Section 148A, which mandates the AO to conduct an inquiry and give the taxpayer an opportunity to be heard before issuing any Income Tax Notice. After considering the taxpayer's response, the AO can decide, based on the material facts, whether to invoke the reassessment provisions or not.

Changes in Reassessment Approach: Previously, reopening was largely based on the AO having “reason to believe” that income escaped assessment. Under the revised framework, reassessment must generally be based on specific information suggesting income escapement and must follow the procedure under Section 148A. This aims to reduce arbitrariness while maintaining necessary safeguards.

Information suggesting income escaping assessment may include:

  • Risk management information flagged by the CBDT
  • Final audit objections raised by the Comptroller and Auditor General (CAG)

Situations where the AO may be deemed to have such information include:

  • Search initiated under Section 132 or requisition under Section 132A on or after April 1, 2021
  • Survey conducted under Section 133A (excluding certain sub-sections)
  • Seized assets believed to belong to the taxpayer with appropriate approvals

Amendments by Finance Act 2022 – Updated Time Limits

The following timelines relate to completion of assessment or reassessment under Section 153 (not the time limit for issuing reassessment notices under Section 149):

Assessment Year Time Limit
AY 2021-22 and onwards 9 months from the end of AY
AY 2020-21 18 months
AY 2019-20 12 months
AY 2018-19 18 months
Up to AY 2017-18 21 months

All search or requisition cases initiated from FY 2021–22 onward generally follow updated procedural timelines as applicable under relevant provisions.

Before issuing a notice under Section 148, the AO must generally comply with Section 148A, providing the taxpayer an opportunity to explain why reassessment should not be initiated.

  • Section 148 deals with issuance of notice for reassessment.
  • Section 151 covers sanction by specified authorities.

During reassessment proceedings, the AO may also examine other income issues that come to notice during the process as permitted under law.

Reassessment Procedure Under Section 147

The reassessment process includes the following steps:

  • Identification of Escaped Income: The reassessment begins with the AO identifying unreported income in the taxpayer's income tax return (ITR). The AO must have a "reason to believe", supported by evidence, that such income went unassessed, due to inconsistencies or discrepancies found during the original assessment.
  • Recording Evidence: The AO must document relevant facts, representations, and any evidence provided by the taxpayer. Despite the AO's initial view that income escaping assessment, documentation is essential for supporting the reopening of the reassessment process.
  • Approval from Higher Authority: If the AO believes that the income has escaped assessment based on the taxpayer's response and gathered evidence, they must seek prior approval from a higher authority before proceeding. Once approved, the AO may issue a notice under Section 148 to the taxpayer, thereby starting the reassessment process.
  • Issuance of Notice (Section 148): Upon obtaining all the necessary approvals and documenting all the relevant facts, the AO issues a notice under Section 148, notifying the taxpayer that their case is being reopened for reassessment. The taxpayer is generally given 30 days to respond with a revised return.
  • Filing Revised Return: After receiving the notice, the taxpayer must submit a revised return that addresses the AO's concern. You need to disclose any previously unreported or inaccurately reported income. The revised return must correct the discrepancies found in the original submission.
  • AO Examination: Upon receiving the revised return, the AO (Assessing Officer) reviews it and may request additional information or clarification from the taxpayer to resolve any outstanding issues.
  • Draft Assessment Order: Following the evaluation of the revised return and supporting documents, if the AO (Assessing Officer) determines that additional tax is due, a draft assessment order is prepared. Then, it is submitted for internal review and approval by a higher authority before proceeding further.
  • Show Cause Opportunity: The AO issues a show-cause notice, allowing the taxpayer to explain why the proposed additional tax should not be imposed. This is a vital aspect of the reassessment process, ensuring the taxpayer's right to be heard before any final decision is made.
  • Hearing: A hearing is held, allowing the taxpayer to present their case before the tax authorities. Here, the taxpayer can provide further documentation and explanations to challenge the revised tax liability proposed by the Assessing Officer (AO).
  • Final Assessment Order: The AO issues the final assessment order based on the hearing outcome and a detailed review of submissions. This order details the previously unassessed income and the new tax liability, including applicable interest and penalties.
  • Right to Appeal: After the final assessment order, the taxpayer has the right to appeal the decision, typically within 30 days of receiving the order, allowing them to challenge the reassessment if they believe it is incorrect or unfair.

To Conclude

Having knowledge of Section 147 and related provisions is essential for taxpayers, as it governs reassessment and ensures taxable income is properly accounted for. Staying compliant helps avoid penalties. Seeking professional guidance can simplify compliance and ensure accuracy in income tax filings.

Note: This guide is for information purposes only. The views expressed in this guide are personal and do not constitute the views of Savetaxs. Savetaxs or the author will not be responsible for any direct or indirect loss incurred by the reader for taking any decision based on the information or the contents. It is advisable to consult either a CA, CS, CPA or a professional tax expert from the Savetaxs team, as they are familiar with the current regulations and help you make accurate decisions and maintain accuracy throughout the whole process.

Varun Gupta
Varun Gupta(Tax Expert)

Mr Varun is a tax expert with over 13 years of experience in US taxation, accounting, bookkeeping, and payroll. Mr Gupta has prepared and reviewed over 5,000 individual and corporate tax returns for CPA firms and businesses.

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Frequently Asked Questions

Section 147 allows the AO (Assessing Officer) to reassess or recalculate income that was missed or wrongly assessed in the previous year, where the taxpayer failed to report their taxable income accurately.

It means the AO must record concrete material facts and not assumptions, supporting his belief that income escaped assessment before reopening the case.

Normally, within four years from the end of the assessment year. However, for undisclosed income relating to foreign assets, the period extends up to 10 years.

After forming a belief under Section 147, the AO will issue a notice under Section 148 to the taxpayer, initiating the reassessment process.

Section 148A was introduced through the Finance Act 2021, which mandates a preliminary hearing before issuing a notice. It gives the taxpayers a chance to challenge the view of the Assessing Officer.