Preventive detention laws sit uneasily with Article 21. Examine, with reference to the NSA, the safeguards available to detenus.

Article 21 guarantees that no person shall be deprived of life or personal liberty except by procedure established by law; yet Article 22(3)–(7) itself carves out preventive detention, permitting confinement on suspicion without trial [2]. The National Security Act, 1980 (NSA) therefore survives constitutionally, but only because it is wrapped in procedural safeguards.

Why the tension with Article 21 persists

• Detention rests on the authority's subjective satisfaction about future conduct, not proven guilt — liberty is lost without a charge or conviction.
• Article 22(3)(b) expressly denies the detenu the right to counsel and to be produced before a magistrate within 24 hours.
• Grounds are often vague or stale; the Supreme Court in Ameena Begum (2023) quashed a detention for relying on quashed cases and for confusing "law and order" with "public order" [3].
• Misuse is not hypothetical: the Allahabad High Court, in September 2026, held a Delhi University student's continued NSA detention violative of Article 21 and ordered her release with costs on the Gautam Buddha Nagar District Magistrate — relief the Supreme Court has since stayed pending hearing [4].

Safeguards available to a detenu under the NSA

• Limited delegation: a District Magistrate may detain only when empowered by the State Government, for up to three months at a time (S.3(3)); her order lapses in 12 days without State approval (S.3(4)) [1].
• Communication of grounds within five days, extendable to ten, plus the right to make a representation (S.8), reinforced by Article 22(5) [1][2].
• Advisory Board chaired by a serving or former High Court judge, reference within three weeks, report within seven weeks; detention beyond three months needs its finding of "sufficient cause" (Ss.9–11; Article 22(4)) [1][2].
• Outer limit of 12 months, revocation at any time (Ss.13–14), and habeas corpus under Articles 32/226 [1][2].

The safeguards are real but thin — no lawyer before the Board, and review confined largely to procedure. Strengthening them requires reasoned, individualised detention orders tested against the Ameena Begum parameters, prompt supply of legible grounds, and periodic State audit of NSA invocations. Liberty then remains the rule and detention the narrow, justified exception the Constitution intended.