Search evidence, admissions and settlement-backed returns can justify reopening, while promissory estoppel cannot undo agreed assessments.

Search material, recorded admissions and revised returns can justify reopening where they provide a rational basis to believe income escaped assessment and that there was failure to disclose fully and truly all material facts. An earlier interlocutory order on condonation of delay does not finally determine the merits and therefore does not operate as res judicata in the quantum proceedings. A settlement reduced to writing binds the assessee to the assessment position reflected in the returns filed under it; a plea of promissory estoppel cannot be used to resile from that position or to maintain appeals against assessments accepted on that basis.

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Issues: (i) whether the earlier order condoning delay operated as res judicata in the quantum appeals; (ii) whether the reassessments under section 147(a) read with section 148 were valid on the basis of search material and the assessee's own admissions and returns; and (iii) whether the alleged settlement and the plea of promissory estoppel entitled the assessee to ignore the returned income and maintain the appeals.

Issue (i): whether the earlier order condoning delay operated as res judicata in the quantum appeals.

Analysis: The earlier order dealt only with condonation of delay and did not finally adjudicate the merits of the reassessments. A finding recorded at an interlocutory stage on the assessee's bona fide belief regarding non-prosecution could not bind the Tribunal when deciding the appeals on merits. The earlier view therefore did not preclude independent consideration of the substantive issues.

Conclusion: The earlier order did not operate as res judicata against the Revenue.

Issue (ii): whether the reassessments under section 147(a) read with section 148 were valid on the basis of search material and the assessee's own admissions and returns.

Analysis: Search material seized from the assessee's business premises, together with recorded statements of the partner and munim, disclosed suppression of sales and discrepancies in the books. The assessee's own petitions during settlement and the subsequent returns acknowledged the sum to be assessed and its spread over. These materials furnished a rational and direct basis for the Assessing Officer to form the belief that income had escaped assessment and that there had been failure to disclose fully and truly all material facts.

Conclusion: The reopening and reassessments were held valid.

Issue (iii): whether the alleged settlement and the plea of promissory estoppel entitled the assessee to ignore the returned income and maintain the appeals.

Analysis: The record showed that the settlement terms were reduced to writing and that no proved assurance exempting the partners from prosecution under section 277 formed part of the binding settlement. The assessee had taken the benefit of spread over and other concessions under the settlement and had filed returns accordingly. In these circumstances, the assessee could not resile from the settlement or invoke promissory estoppel to undo assessments made on its own returns. Having consented to the assessments, it was not a person aggrieved for appellate purposes.

Conclusion: The plea based on settlement and promissory estoppel failed, and the appeals were incompetent on that footing.

Final Conclusion: The reassessments were sustained as valid, the assessee was held bound by the settlement-backed returns filed in the reassessment proceedings, and the quantum appeals were dismissed.

Ratio Decidendi: Search evidence and the assessee's own admissions/returns can constitute sufficient material for a reasonable belief under section 147(a), and an assessee who has accepted and acted upon a settlement cannot later repudiate the resulting assessments on a plea of promissory estoppel.

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