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Criminal LawSupreme Court of India

Mohan Lal v. The State of Punjab

Criminal Appeal · 2018 INSC 714Decided 16 Aug 2018
Criminal Appeal No. 1880 of 2011
Justice Ranjan Gogoi · Justice R. Banumathi · Justice Navin Sinha

Background

The appellant was convicted under Section 18 of the NDPS Act for possession of 4 kg of opium and sentenced to 10 years' rigorous imprisonment. The same police sub-inspector who lodged the FIR as informant also carried out the entire investigation himself, including search, seizure, sample handling and witness examination, without depositing the seized contraband in the police malkhana and with a nine-day unexplained delay in sending the sample for chemical analysis. Key witnesses to the seizure were never examined at trial.

Decision Breakdown

Noting conflicting prior two-judge-bench rulings on whether an informant can also be the investigating officer, the Supreme Court resolved the conflict and laid down a clear rule: a fair investigation, the foundation of a fair trial under Article 21, requires that the informant and the investigator must not be the same person, especially under statutes like the NDPS Act that impose a reverse burden of proof on the accused. The Court disapproved the Kerala High Court's contrary view in Kader and approved the view in Naushad. Finding the investigation here vitiated by this very defect (compounded by non-deposit of the seized material in the malkhana and unexplained delays), the Court allowed the appeal, set aside the conviction, and ordered the appellant's immediate release.

Lesson Learnt

In criminal cases, particularly narcotics cases where the law presumes guilt once possession is shown, a conviction cannot stand if the police officer who filed the complaint also personally conducted the investigation; this structural conflict of interest by itself vitiates the prosecution, regardless of whether specific prejudice is separately proven.

Mohan Lal v. The State of Punjab – Legal Case Shots | LegalAware