GURDEV SINGH vs UNION OF INDIA .

The Supreme Court addressed the legality of a detention order under Section 3(1) of the Conservation of Foreign Exchange and Prevention of Smuggling Activities Act, 1974 (COFEPOSA Act). The Court held that even after the detenu had completed the period of detention, it was necessary to examine the validity of the detention order due to potential future repercussions. The appeal against the Delhi High Court's dismissal of the writ petition was allowed, emphasizing the importance of judicial review in detention matters under Article 22 of the Constitution of India.