Independent satisfaction requirement for Section 151: mechanical approvals without reasons invalidate reassessment notices under Sections 147/148.

Where reassessment is sought after four years, the approving authority must independently apply its mind to the reasons recorded by the Assessing Officer; the supervisory check is a jurisdictional precondition and requires the approver to record reasons or demonstrate consideration of material. A mere rote endorsement or terse assent without any indication of the thought process constitutes a mechanical approval and fails the statutory requirement. Consequently, such mechanical approval renders the subsequent notice and reassessment invalid and unsustainable in favour of the taxpayer.

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Issues: Whether the reassessment proceedings initiated under Section 147 read with Section 148 of the Income-tax Act, 1961 are invalid for lack of a valid approval under Section 151 of the Income-tax Act, 1961 because the sanctioning authority granted approval mechanically without recording independent satisfaction.

Analysis: The legal framework requires that where reopening is sought after the expiry of four years, approval by the prescribed higher authority under Section 151 of the Income-tax Act, 1961 is a jurisdictional precondition and must reflect an independent application of mind to the reasons recorded by the Assessing Officer. The supervisory check envisaged by Section 151 is intended to prevent wrongful reopenings by ensuring the approving authority records satisfaction based on material placed before it. Judicial precedent establishes that mere rote endorsement such as "Yes" or similar rubber-stamping, without any indication of the thought process or reasons, does not satisfy the statutory requirement. Applying these principles to the material on record, the approving entry which simply recorded "Yes, I am satisfied" lacked any discernible reasons or indication of independent consideration by the sanctioning authority and therefore amounted to a mechanical approval.

Conclusion: The approval under Section 151 of the Income-tax Act, 1961 is invalid for being mechanical and without application of mind; accordingly, the notice under Section 148 and the reassessment under Section 147 read with Section 143(3) of the Income-tax Act, 1961 cannot be sustained and are set aside in favour of the assessee.

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