Preventive detention requires disclosure of the basis for a Section 9(1) declaration and a prompt, reasoned detention order.

In preventive detention matters, a declaration under Section 9(1) must be supported by the material on which subjective satisfaction is formed, and the detenu must be supplied that material or at least informed that the declaration rests on the same basis as the detention order so an effective representation can be made. A later statement in a counter-affidavit does not cure non-supply or nondisclosure. The document also states that a detention order may fail where the record shows non-application of mind and the authority cannot give a meaningful explanation for delay in initiating proceedings, because an unexplained gap breaks the required nexus between the prejudicial act and the order.

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Issues: (i) Whether the declaration under Section 9(1) was valid when the detenu was not supplied the material forming the basis of the declaration. (ii) Whether the detention order was vitiated by non-application of mind and unexplained delay in initiating detention proceedings.

Issue (i): Whether the declaration under Section 9(1) was valid when the detenu was not supplied the material forming the basis of the declaration.

Analysis: The declaration under Section 9(1) rests on subjective satisfaction. For a meaningful challenge to continued detention, the detenu must have the basic material relied upon for the declaration or, at the least, be informed that the declaration rests on the same material as the detention order. Mere later assertion in the counter-affidavit that the same material was used does not cure the failure to supply or disclose the basis of the declaration.

Conclusion: The declaration was not shown to be validly supported in a manner that enabled an effective representation, and the challenge succeeded.

Issue (ii): Whether the detention order was vitiated by non-application of mind and unexplained delay in initiating detention proceedings.

Analysis: The confirmation order was unsupported by a satisfactory explanation, and the record showed confusion regarding the relevant representation and parole application, indicating non-application of mind. The incident was followed by a long interval before the detention order, but the authority failed to explain the intervening period with any meaningful particulars about investigation, processing, or urgency. Preventive detention requires prompt action, and an unexplained gap breaks the necessary nexus between the prejudicial act and the order.

Conclusion: The detention order was vitiated by non-application of mind and unexplained delay, and was liable to be quashed.

Final Conclusion: The detention could not be sustained and the petitioner was entitled to release.

Ratio Decidendi: In preventive detention matters, the detaining authority must disclose and supply the material forming the basis of a declaration founded on subjective satisfaction, and any substantial delay in passing the detention order must be satisfactorily explained or the order will fail for want of nexus and application of mind.

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