Section 139(8) interest is part of assessment and cannot be levied when tax deducted at source exceeds assessed tax.

Interest under Section 139(8) of the Income-tax Act is treated as part of the assessment process and can be challenged in appeal against the assessment order when the assessee disputes the liability itself. The levy is compensatory and applies only on tax remaining payable after credit for tax deducted at source. Where tax deducted at source exceeds the assessed tax, no tax remains on which interest can be computed, so no interest is chargeable. The reference was answered in favour of the assessee on both issues, and the Revenue's challenge failed.

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Issues: (i) Whether interest charged under Section 139(8) of the Income-tax Act, 1961 forms part of the assessment so as to be entertainable in appeal against the assessment order; (ii) Whether interest under Section 139(8) of the Income-tax Act, 1961 can be levied where the tax payable is nil because tax deducted at source exceeds the assessed tax.

Issue (i): Whether interest charged under Section 139(8) of the Income-tax Act, 1961 forms part of the assessment so as to be entertainable in appeal against the assessment order.

Analysis: The levy of interest is treated as part of the assessment process. Even though Sections 143 and 144 of the Income-tax Act, 1961 do not separately provide for levy of interest, such levy is attributable to Section 139(8) and can be disputed in appeal against the assessment order when the assessee challenges liability to interest itself.

Conclusion: The question was answered in the negative, against the Revenue and in favour of the assessee.

Issue (ii): Whether interest under Section 139(8) of the Income-tax Act, 1961 can be levied where the tax payable is nil because tax deducted at source exceeds the assessed tax.

Analysis: Interest under Section 139(8) is compensatory in nature and is levied on the amount of tax determined payable after reducing tax paid and tax deducted at source. Where the tax deducted at source exceeds the assessed tax, nothing remains on which interest can be computed and no compensatory liability arises. Explanation 2 to Section 139(8)(a) supports this construction.

Conclusion: The question was answered in the affirmative, against the Revenue and in favour of the assessee.

Final Conclusion: The reference was decided entirely in favour of the assessee and the Revenue's challenge to the levy of interest failed on both questions.

Ratio Decidendi: Interest levied under Section 139(8) of the Income-tax Act, 1961 is part of the assessment process and is not chargeable where, after giving credit for tax deducted at source, no tax remains payable to which compensatory interest can attach.

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