Reopening and valuation-based additions depend on credible material, proper valuation method, and year-wise apportionment of construction investment.

Reopening under section 148 is supported where the Assessing Officer has credible material creating a bona fide belief of escapement; the sufficiency of that material is not examined at the notice stage. A valuation reference under section 142A does not require prior rejection of the books of account when the issue is under-stated investment, and the valuation report may consider the assessee's records. For construction-cost estimation, CPWD rates may be preferred over Kerala PWD rates where they are found more reliable for the structure. An addition under section 69B must be confined to the investment actually made in the relevant year, so construction expenditure spanning multiple years requires year-wise apportionment.

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Issues: (i) Whether the reassessment notice under section 148 was validly issued on the basis of material showing escapement of income; (ii) whether a reference under section 142A could be made without first rejecting the books of account; (iii) whether valuation of construction cost could be adopted on CPWD rates instead of Kerala PWD rates; and (iv) whether the entire addition for unexplained investment could be brought to tax in the relevant assessment year.

Issue (i): Whether the reassessment notice under section 148 was validly issued on the basis of material showing escapement of income.

Analysis: Reopening under section 148 requires only the existence of cogent material leading to a bona fide belief that income has escaped assessment. The sufficiency or correctness of the material is not to be examined at that stage. Credible information obtained through a survey and subsequent report, even if later disputed on merits, can constitute material for formation of belief. On the facts, the material available to the Assessing Officer was treated as credible and sufficient for the jurisdictional belief.

Conclusion: The reassessment notice was held valid, against the assessee.

Issue (ii): Whether a reference under section 142A could be made without first rejecting the books of account.

Analysis: Section 142A is an aid to assessment where valuation of investment is required for applying sections 69 or 69B. The statutory scheme does not make prior rejection of books a condition precedent to a valuation reference. In a case of disclosed but under-valued investment, the books are part of the assessee's explanation and must be considered, but separate rejection of books is not a prerequisite before invoking the valuation mechanism. The valuation report itself considered the assessee's records and allowed deductions on that basis.

Conclusion: The challenge to the reference under section 142A failed, against the assessee.

Issue (iii): Whether valuation of construction cost could be adopted on CPWD rates instead of Kerala PWD rates.

Analysis: The valuation report explained that Kerala PWD rates were not suitable for the structure and that they lacked the necessary scientific specifications and relevance for the subject construction. CPWD rates, with technical specifications and appropriate deductions for site-specific features, were treated as a more reliable basis. The assessee did not dislodge the expert findings.

Conclusion: Adoption of CPWD rates was upheld, against the assessee.

Issue (iv): Whether the entire addition for unexplained investment could be brought to tax in the relevant assessment year.

Analysis: Section 69B deems as income only the amount of investment made during the particular previous year to the extent not recorded in the books. Where construction spans multiple years, the entire estimated excess cost cannot automatically be assigned to the current year. The investment has to be spread over the construction period on a factual and technical basis, and the matter may require fresh examination of the stage of completion and proportionate investment attributable to earlier years.

Conclusion: The addition was held to require apportionment over the construction period and the matter was restored for fresh consideration on that limited aspect, in favour of the assessee.

Final Conclusion: The assessment was substantially sustained on jurisdictional and valuation issues, but the addition was not permitted to stand for the whole amount in the year under appeal and required year-wise bifurcation of the construction investment.

Ratio Decidendi: For reopening and valuation-based additions, credible material is sufficient to form a reason to believe, prior rejection of books is not a necessary condition for section 142A where investment is disclosed but allegedly under-stated, and an addition under section 69B must be confined to the investment actually made in the relevant year and cannot automatically cover the entire construction cost.

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