Preventive detention and public order: violent conduct in a public place can justify detention, and statutory hearing limits controlled review.

Preventive detention under public order law turns on whether the alleged conduct goes beyond a mere law-and-order breach and has the potential to disturb the even tempo of community life. Violence in a public railway area, including bomb-related acts and assaults on protection staff, was treated as capable of creating public fear and interfering with local activity, so the public order challenge failed. The Advisory Board hearing requirement arose only where the statute so provided; once the Board had considered the material, later afforded the detenu a personal hearing, and reconsidered the matter, no denial of statutory opportunity was shown. The detention was upheld and the writ petition dismissed.

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Issues: (i) Whether the acts alleged in the detention grounds amounted to activity prejudicial to the maintenance of public order within the meaning of the preventive detention law. (ii) Whether the detenu was entitled to a personal hearing before the Advisory Board before its report was submitted.

Issue (i): Whether the acts alleged in the detention grounds amounted to activity prejudicial to the maintenance of public order within the meaning of the preventive detention law.

Analysis: The distinction between a mere breach of law and order and disturbance of public order depends on the degree of harm and its impact on the community. An act is not judged only by its nature but by its potentiality and its effect on the even tempo of community life. Conduct occurring in a public place and involving violence with bombs and assault on railway protection staff was capable of creating fear among the public using the railway yard and of interfering with local public activity.

Conclusion: The grounds disclosed activity prejudicial to the maintenance of public order and the challenge on that score failed.

Issue (ii): Whether the detenu was entitled to a personal hearing before the Advisory Board before its report was submitted.

Analysis: The governing provision required the Advisory Board to hear the person concerned only where it considered such hearing essential or where the person concerned desired to be heard. The Board had already considered the materials and formed its opinion before receiving the detenu's request, and after the request was received it did afford him a personal hearing and reconsidered the matter without altering its view.

Conclusion: No denial of statutory opportunity was shown and the challenge to the Board procedure failed.

Final Conclusion: The preventive detention was upheld and the writ petition was dismissed.

Ratio Decidendi: For preventive detention based on public order, the decisive question is whether the conduct has the potential to affect the community beyond immediate victims, and a personal hearing before the Advisory Board is required only in the circumstances specified by the governing statute.

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