Preventive detention grounds must disclose only basic facts; background material need not be served, and subjective satisfaction remains limited review

In preventive detention, the detaining authority's satisfaction was treated as subjective, so the Court would not reweigh the sufficiency of the grounds, but would intervene only for non-application of mind, irrelevant material, improper purpose, or an irrational conclusion. The constitutional requirement to communicate the grounds of detention was limited to the basic facts and material particulars forming the foundation of detention; background or general information did not have to be disclosed if it did not contribute to the decision. On that basis, non-communication of the history-sheet material and the separate "other particulars" sent for supervisory approval did not invalidate the detention or the State Government's approval.

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Issues: (i) Whether the detention order under the preventive detention law was vitiated because the grounds relied upon were insufficient or because the detaining authority's satisfaction was open to objective scrutiny; (ii) Whether non-communication of the history-sheet and connected material infringed the detenu's right to make an effective representation under Article 22(5); (iii) Whether the State Government's approval was invalid because "other particulars" sent under the statutory reporting requirement were not disclosed to the detenu.

Issue (i): Whether the detention order under the preventive detention law was vitiated because the grounds relied upon were insufficient or because the detaining authority's satisfaction was open to objective scrutiny.

Analysis: The statutory scheme made detention dependent on the detaining authority being "satisfied" that detention was necessary to prevent prejudicial acts. That satisfaction was held to be subjective and not subject to substitution by the Court on questions of sufficiency or adequacy of the grounds. At the same time, the Court reaffirmed that subjective satisfaction is reviewable on limited grounds, including non-application of mind, improper purpose, reliance on irrelevant material, or a conclusion so unreasonable that no reasonable authority could reach it. On the facts, the three incidents relied upon were held sufficient to sustain the authority's satisfaction, and the constitutional attack based on Article 19 was treated as concluded by earlier binding authority upholding the preventive detention law.

Conclusion: The challenge to the detention order on this ground failed.

Issue (ii): Whether non-communication of the history-sheet and connected material infringed the detenu's right to make an effective representation under Article 22(5).

Analysis: The constitutional requirement of communicating the "grounds" of detention was interpreted to mean all basic facts and material particulars that formed the foundation of the detention order. However, the Court distinguished between such foundational material and mere background or general information that did not itself influence the decision. The omitted portion of the history-sheet was found not to contain any additional prejudicial material directly attributable to the detenu; one part was only a generalisation from the disclosed incidents, and the other merely described the surrounding situation in the area. Since no undisclosed basic fact or material relied upon in forming the subjective satisfaction was shown to exist, the omission did not impair the detenu's right to representation.

Conclusion: The non-disclosure did not invalidate the detention.

Issue (iii): Whether the State Government's approval was invalid because "other particulars" sent under the statutory reporting requirement were not disclosed to the detenu.

Analysis: The reporting obligation to the State Government required the District Magistrate to forward the grounds of detention and also such other particulars as, in his opinion, had a bearing on the matter. The Court held that these "other particulars" are distinct from the grounds of detention and do not form part of the material required to be communicated to the detenu. Only the basic facts and materials constituting the grounds of detention needed disclosure. Since the additional history-sheet material was treated as background information for the supervisory approval process and not as material forming the basis of detention, its non-disclosure did not vitiate the approval.

Conclusion: The approval of the State Government remained valid.

Final Conclusion: The preventive detention was sustained because the detention grounds were treated as sufficient, the limited grounds of judicial review were not established, and the undisclosed material was held not to be part of the mandatory communicated grounds.

Ratio Decidendi: In preventive detention matters, "grounds" means the basic facts and material particulars forming the foundation of detention and those alone must be communicated to the detenu; background or supervisory "other particulars" need not be disclosed, while the Court's review of subjective satisfaction remains confined to legally recognised grounds of invalidity.

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