Commercial asset letting does not automatically yield business income; classification turns on transaction character and total circumstances.

Rental income from a godown let to KSBC was held to be assessable as income from house property, not business income, because classification depends on the true character of the transaction in the totality of circumstances rather than on the mere commercial nature of the asset. A letting may constitute business income only where the letting itself forms part of the business activity or the commercial asset is exploited in the course of business; that was not shown here. The lease was mainly entered into to adjust outstanding liability, the assessee continued its manufacturing business, and the arrangement amounted to an owner's exploitation of property rather than business exploitation.

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Issues: Whether the rental income received from the godown let out to KSBC was assessable as business income or as income from house property, and whether the broad proposition that income derived from a commercial asset must always be treated as business income was sustainable.

Analysis: The relevant test is not the source of income in isolation, but the true character of the transaction viewed in the totality of circumstances and from a businessman's standpoint. A letting may amount to business income where the letting itself is part of the business activity or where a commercial asset is exploited in the course of business, but that result does not follow automatically from the mere fact that the asset yields rent or that the assessee derives some operational advantage. The principles in the earlier authorities show that the nature of the asset, the object of the letting, the surrounding circumstances, and the intention underlying the arrangement are all material. On the facts, the lease arrangement was entered into largely to adjust outstanding liability, the assessee continued its manufacturing business, and the letting of the godown was in substance an owner's exploitation of property rather than business exploitation of a commercial asset.

Conclusion: The rental income was not assessable as business income and was rightly treated as income from house property.

Ratio Decidendi: Rental income from an asset is not automatically business income merely because the asset may be described as commercial; its classification depends on the nature of the transaction, the object of the letting, and the totality of circumstances, and the source of income is only one relevant factor, not the sole test.

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