Loose papers and unexplained cash payments cannot justify addition without corroboration or clear attribution to the assessee.

Loose papers seized from a third party could not sustain an addition for unexplained cash payment where the documents did not bear the assessee's name, signatures, date, or any express reference to cash. The appellate authority and the Tribunal held that the inference of cash payment was based on conjecture and interpolation, not on the contents of the papers or corroborating evidence. Applying the settled principle that loose sheets without supporting material are not conclusive proof of undisclosed income, the addition was held unsustainable. The High Court further found that these concurrent factual findings did not give rise to a substantial question of law.

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Issues: Whether additions towards unexplained cash payment could be sustained on the basis of loose papers seized from a third party, where the documents did not bear the assessee's name, signature, date, or any express reference to cash payment, and whether such concurrent findings gave rise to a substantial question of law.

Analysis: The seized material was found from the premises of a third person and did not, by itself, establish that it was written by or attributable to the assessee. The document was not self-explanatory, did not mention the assessee's name, did not bear signatures of the parties, and did not record the word cash. On appreciation of the record, the appellate authority and the Tribunal found that the inference of cash payment was based on conjecture and interpolation rather than on the contents of the document or any corroborating material. The Tribunal also applied the principle that loose sheets, without supporting evidence, cannot constitute conclusive proof of undisclosed income.

Conclusion: The addition was not sustainable and no substantial question of law arose for interference.

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