Article 39(b) nationalisation upheld: acquisition scheme, book-value valuation, and machinery provisions were sustained as constitutionally valid.

A nationalisation law concerning electricity undertakings was treated as a measure giving effect to Article 39(b), with electrical energy recognised as a material resource of the community. The Court found a direct nexus between the acquisition scheme and the common good, so the legislation was protected by Article 31C and was not a colourable exercise of power. The book-value basis for compensation was upheld as a valid statutory valuation method and not illusory, while challenges to exclusion of service lines, deductions for reserves and liabilities, and the assessment and arbitration machinery were rejected as reasonable and workable. The acquisition scheme and amending provisions were therefore constitutionally valid.

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Issues: (i) Whether the impugned Assam legislation was protected by Article 31C of the Constitution as a law giving effect to the policy under Article 39(b), and whether the legislative declaration could be disregarded as a colourable exercise of power. (ii) Whether the amount payable on acquisition, fixed on a book-value basis, was so arbitrary or illusory as to fail constitutional scrutiny. (iii) Whether exclusion of service lines from valuation, deductions in respect of reserves and liabilities, and the machinery provided for assessment and arbitration rendered the scheme unconstitutional or unworkable.

Issue (i): Whether the impugned Assam legislation was protected by Article 31C of the Constitution as a law giving effect to the policy under Article 39(b), and whether the legislative declaration could be disregarded as a colourable exercise of power.

Analysis: Electrical energy generated and supplied by the undertakings was treated as a material resource of the community within Article 39(b). Nationalisation was held to be a recognised mode of distribution of such resources for the common good. The legislation was examined in its true nature and character, and the Court found a direct and reasonable nexus between the acquisition scheme and the directive principle in Article 39(b). The argument that the law was enacted merely to defeat the petitioners' contractual expectations under the earlier statutory purchase arrangement was rejected. The doctrine of colourable legislation was found inapplicable because the impugned enactment was within legislative competence and genuinely directed to nationalisation.

Conclusion: The legislation was protected by Article 31C and was not a colourable exercise of power.

Issue (ii): Whether the amount payable on acquisition, fixed on a book-value basis, was so arbitrary or illusory as to fail constitutional scrutiny.

Analysis: Once the legislation was held to fall within Article 31C, challenges based on the adequacy or fairness of the amount did not survive. Independently also, the Court held that the statutory substitution of book value for market value did not make the amount unreal or illusory. Book value was an accepted accountancy concept, and the valuation scheme formed an integral part of the nationalisation measure. The contention that the acquisition was merely of a chose in action rather than of the undertaking itself was rejected, since the right to purchase did not automatically transfer ownership or possession before actual take-over and payment.

Conclusion: The valuation method did not render the amount illusory, and the challenge on this ground failed.

Issue (iii): Whether exclusion of service lines from valuation, deductions in respect of reserves and liabilities, and the machinery provided for assessment and arbitration rendered the scheme unconstitutional or unworkable.

Analysis: The exclusion of service lines from valuation was upheld as reasonable because such lines were often paid for by consumers and would continue to be used for supply after acquisition. The deductions concerning reserves and liabilities were construed so as to avoid duplication and unjust enrichment, with the Government treated as holding deducted sums for the benefit of the concerned creditors. The Court further held that the Act provided a workable machinery: the Special Officer was empowered to assess the net amount payable and necessarily to examine the correctness of deductions and losses, while arbitration was available for specified disputes. The statutory scheme was therefore not vague or intractable.

Conclusion: These ancillary challenges failed, and the scheme was held workable and constitutionally valid.

Final Conclusion: The impugned acquisition legislation and the amending provisions were upheld in their entirety, and the constitutional challenge failed on all substantive grounds.

Ratio Decidendi: A law of nationalisation that genuinely effects distribution of material resources for the common good has a direct and reasonable nexus with Article 39(b), is protected by Article 31C, and its integral valuation and machinery provisions cannot be invalidated by recharacterising the acquisition as colourable or by testing the adequacy of the amount payable.

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