Case Note & Summary
The case involved electric supply companies appealing against the Revenue's interpretation of depreciation calculation under the Income Tax Act, 1961 for the assessment year 1962-63. The appellants contended that the actual cost of assets acquired in earlier years should not be altered and that depreciation should be based on previously determined written down values. The Revenue argued that Section 43 of the Income Tax Act mandated a fresh determination of actual cost for each assessment year, irrespective of when the assets were acquired. The Supreme Court analyzed the statutory provisions and historical context of the Income Tax Act, 1922 and its successor, the Income Tax Act, 1961. The court noted that while depreciation is typically calculated based on the written down value carried forward from previous years, the language of the Income Tax Act, 1961 allows for the actual cost to be recalculated each year. The court dismissed the appeals, affirming that the actual cost must be determined afresh for all assets, including those acquired in prior years, and that the Revenue's interpretation did not violate any existing rights. The court emphasized that the statutory provisions were clear and did not create undue hardship for the assessees, thus upholding the Revenue's approach to calculating depreciation (Paras 1.1-1.2, 3.1-3.3).
Headnote
A) Income Tax - Depreciation Calculation - Actual Cost Determination - Income Tax Act, 1961, Section 43 - The court held that the actual cost of an asset must be computed afresh for each assessment year, including those acquired in earlier years, and that the statutory mandate does not allow for the continuance of previously determined actual costs. This interpretation aligns with the legislative intent of the Income Tax Act, 1961, which requires a fresh determination of actual cost for depreciation purposes (Paras 1.1-1.2). B) Statutory Interpretation - Retrospective Application - Income Tax Act, 1961, Section 43 - The court clarified that the provisions of the Income Tax Act, 1961 do not operate retrospectively to alter existing rights unless explicitly stated. The Revenue's interpretation does not impair existing rights but requires a fresh calculation of actual cost for future assessments (Paras 3.1-3.3).
Issue of Consideration
Whether the actual cost of assets acquired in earlier years can be altered for the assessment year 1962-63 under the Income Tax Act, 1961.
Final Decision
The Supreme Court dismissed the appeals, affirming that the actual cost must be determined afresh for all assets, including those acquired in prior years, and that the Revenue's interpretation did not violate any existing rights.
Law Points
- Depreciation calculation
- written down value
- actual cost determination
- retrospective interpretation
- Income Tax Act
- 1961
- Section 43


