2026 Supreme(Online)(Kar) 17808

THE HIGH COURT OF KARNATAKA
M. Nagaprasanna, J
Eman Abbas Topiwala – Appellant
Versus
State Of Karnataka – Respondent
CRIMINAL PETITION No.3020 OF 2026

A medical examination and the subsequent forensic report are inadmissible in evidence if initiated following an illegal arrest. Lawful arrest is a mandatory prerequisite for invasive biological testing; where the arrest fails to meet statutory procedural safeguards, the resulting evidence cannot support a criminal prosecution.

Headnote:(A) Narcotics Drugs and Psychotropic Substances Act, 1985 - Section 27(b) - Bharatiya Nyaya Sanhita, 2023 - Sections 292, 296, 3(5) - Bharatiya Nagarik Suraksha Sanhita, 2023 - Sections 35 and 51 - Criminal Procedure - Quashing of proceedings - Alleged consumption of narcotic substance without prior lawful arrest - Medical examination conducted in violation of statutory procedures - Applicability of procedural safeguards under constitutional law. (Paras 8, 9, 15)

(B) Arrest - Procedural Safeguards - Power of arrest under the new criminal codes - Necessity of recording reasons and individual notification - Failure to adhere to mandatory arrest guidelines renders subsequent custodial investigation, such as blood and urine sampling, as an exercise without legal authority - An arrest not backed by recorded justification is a legal nullity. (Paras 10, 11, 14)

(C) Evidence - Medical/Forensic Evidence - Admissibility of biological/chemical analysis report - Where the underlying arrest is invalid, the derivative evidence obtained through invasive medical procedures is tainted by illegality - Such evidence cannot sustain a prosecution for consumption. (Paras 18, 19, 20)

Facts of the case:
Following a raid on a social gathering on allegations of unauthorized assembly and consumption of illicit substances, the accused was taken into custody. Blood and urine samples were collected, which subsequently tested positive for a banned narcotic substance. The petitioner approached the court seeking to quash the charge sheet, arguing that the arrest was illegal due to a lack of recorded reasons and failure to follow mandatory arrest protocols, thereby vitiating the subsequent medical examination and forensic report used as the basis for the prosecution.

Findings of Court:
The Court held that the power to arrest is not an unbridled prerogative and necessitates strict adherence to statutory safeguards. In the absence of a lawful arrest, the extraction of biological samples is an invasive act lacking legal foundation. As the Prosecution case rested solely on a medical report derived from an illegal procedure, the proceedings were found to be an abuse of the process of law.

Issues: Whether the arrest was lawful given the nature of the alleged offences; whether medical examination conducted without a valid arrest is admissible as evidence; and whether a prosecution for consumption can be sustained based solely on forensic reports obtained through procedurally tainted investigations.

Ratio Decidendi: The court ruled that a lawful arrest is a pre-condition for conducting a medical examination under the relevant statutes. Since the arrest lacked recorded reasons and failed to follow necessary guidelines, the subsequent forensic evidence became a fruit of a poisoned tree, rendering the prosecution unsustainable.

Result: Criminal Petition allowed; proceedings and charge sheet quashed qua the petitioner.