(1) Any officer arresting a person under section 41, section 42, section 43 or section 44 shall, as soon as may be, inform him of the grounds for such arrest.
(2) Every person arrested and article seized under warrant issued under sub-section (1) of section 41 shall be forwarded without unnecessary delay to the Magistrate by whom the warrant was issued.
(3) Every person arrested and article seized under sub-section (2) of section 41, section 42, section 43 or section 44 shall be forwarded without unnecessary delay to—
(a) the officer-in-charge of the nearest police station, or
(b) the officer empowered under section 53.
(4) The authority or officer to whom an arrested person or article is forwarded under sub-section (2) or sub-section (3) shall, with all convenient despatch, take such measures as may be necessary for the disposal according to law of such person or article.
Legal Commentary & Landmark Judgments: Section 52
Section 52 of the Narcotic Drugs and Psychotropic Substances Act, 1985 prescribes mandatory post-arrest and post-seizure duties imposed on empowered officers, establishing an immediate statutory duty to inform arrested persons of the grounds of arrest and deliver both the accused and seized contraband without unnecessary delay to the nearest police station or empowered officer under Section 53. Serving as a crucial procedural nexus between physical apprehension and formal judicial custody, Section 52 anchors the integrity of the chain of custody and safeguards constitutional liberty under Article 22(1). Moreover, Section 52 operates in direct statutory tandem with Section 52A, which mandates the prompt preparation of an inventory and representative sample extraction before a Judicial Magistrate.
In defense practice, the Section 52 / Section 52A interface is the most potent ground for securing acquittals and statutory bail. Immediately cross-examine the Investigating Officer on: (1) whether the application under Section 52A was filed promptly after arrest; (2) whether the samples sent to the FSL were drawn at the recovery spot or extracted strictly before the Magistrate; (3) whether the Magistrate's signature and seal appear on the representative test memos; and (4) whether the bulk contraband was produced before the trial court. If spot sampling was conducted instead of magisterial sampling, move for bail under Section 439 CrPC / Section 483 BNSS relying on Mangilal and Simarnjit Singh v. State of Punjab (2023 SCC OnLine SC 906).