Unexplained cash sales additions fail when books and stock records are supported, and adverse third-party material is not confronted.

Addition under section 68 for alleged unexplained cash sales was held unsustainable where the assessee produced day-wise cash book, invoices, stock records and return disclosures, and the disallowance rested mainly on unserved section 133(6) notices and conjectural estimation rather than concrete defects in the books; rejection of books under section 145(3) was likewise deleted. Use of adverse third-party material without furnishing it to the assessee or giving an effective chance to rebut it breached natural justice. Section 115BBE was held applicable for the relevant year, and interest under sections 234A and 234B was to be recomputed consequentially after giving effect to the deletion of the addition.

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Issues: (i) Whether the addition made under section 68 by treating a part of the cash sales as unexplained income, along with rejection of books of account under section 145(3), was sustainable. (ii) Whether the assessment was vitiated for breach of natural justice because adverse third-party material was used without proper confrontation. (iii) Whether section 115BBE applied to the relevant assessment year and whether interest under sections 234A and 234B required recomputation.

Issue (i): Whether the addition made under section 68 by treating a part of the cash sales as unexplained income, along with rejection of books of account under section 145(3), was sustainable.

Analysis: The assessee had produced day-wise cash book, sales and purchase records, invoices, stock statements and return disclosures. The cash sales and stock position were accepted in substance, while the Assessing Officer proceeded mainly on the basis of non-service of section 133(6) notices and an about how many bills could have been prepared on a single date. Such estimation, unsupported by cogent defects in the books or evidence that the sales were fictitious, was held to be unsustainable. Mere non-compliance by third parties did not by itself discredit the recorded sales.

Conclusion: The addition under section 68 and the rejection of books under section 145(3) were not sustainable and stood deleted in favour of the assessee.

Issue (ii): Whether the assessment was vitiated for breach of natural justice because adverse third-party material was used without proper confrontation.

Analysis: The Assessing Officer relied on the return of notices issued to customers under section 133(6), but the assessee was not furnished the adverse material or the list of unserved notices despite seeking the same and offering assistance for verification. Use of such adverse material without effective disclosure and opportunity to rebut offended the principle of audi alteram partem.

Conclusion: The assessment suffered from violation of natural justice, supporting relief to the assessee.

Issue (iii): Whether section 115BBE applied to the relevant assessment year and whether interest under sections 234A and 234B required recomputation.

Analysis: The enhanced tax treatment under section 115BBE was held applicable for the relevant assessment year, while the interest levied under sections 234A and 234B was consequential and had to be recalculated only after giving effect to the deletion of the substantive addition.

Conclusion: The application of section 115BBE for the relevant assessment year was upheld, and the interest issue was left to be recomputed consequentially in favour of the assessee.

Final Conclusion: The Revenue's challenge failed in substance, the deletion of the addition was sustained, and the appeal was dismissed.

Ratio Decidendi: An addition based on unverified third-party responses and conjectural estimation cannot survive when the assessee has produced primary books and supporting records, and adverse material must be confronted before it is relied upon.

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