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Supreme Court of India· 04 March 2025

Under the Code of Criminal Procedure, 1973, can a DNA profiling report be read in evidence under Section 293 without examining the expert who conducted it?

KARANDEEP SHARMA @ RAZIA @ RAJU v. STATE OF UTTARAKHAND
Criminal Appeal Nos. 630-631 of 2018
Coram: Sandeep Mehta; Vikram Nath; Sanjay Karol
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Answer

No. A DNA profiling report cannot be admitted in evidence ipso facto by virtue of Section 293; the prosecution must prove that the techniques of DNA profiling were reliably applied by the expert. Non-examination of the scientific expert who carried out the profiling is fatal, and a report merely exhibited by the Investigating Officer cannot be read in evidence.

Headnote

Code of Criminal Procedure, 1973 — ss.207, 293 — Indian Evidence Act, 1872 — ss.24, 25, 26 — Indian Penal Code, 1860 — ss.302, 376A — Protection of Children from Sexual Offences Act, 2012 — ss.5, 6 — Just and fair manner — Legal aid counsel — DNA profiling — Chain of custody — Last seen — Code of Criminal Procedure, 1973 — s.207 — Legal aid counsel — Opportunity to defend before charge — Held: Framing charges on the day the relied upon documents are supplied denies the accused a reasonable opportunity to defend himself. Where the amicus curiae is compelled to cross-examine on the day of his appointment, the trial is not conducted in a just and fair manner. (¶15, 16) Code of Criminal Procedure, 1973 — s.293 — DNA profiling — Expert must be examined — Held further: A DNA profiling report is not admissible ipso facto by virtue of Section 293; the prosecution must examine the expert and prove that the techniques were reliably applied. Non-examination of that expert is fatal and the report cannot be admitted in evidence. (¶39, 40) Code of Criminal Procedure, 1973 — Forensic samples — Chain of custody — Link evidence — Held further: The sanctity and chain of custody of the samples, from their collection till they reach the FSL, must be proved by link evidence. Where they were not sealed at the inception and no witness proves their self-same condition, the reports are eschewed from consideration. (¶54, 55) Indian Penal Code, 1860 — s.302 — Last seen — Silence of the witnesses; no test identification parade — Held further: Where the witnesses of last seen remained silent before the police officers who reached the spot and no test identification parade was held, the last seen theory is demolished. With the DNA/FSL reports eschewed, no evidence remains to connect the appellant with the crime; conviction and death sentence set aside, appeals allowed. (¶35, 36, 56)

In the Court's own words
Paragraph 39The first flaw in the prosecution case on the aspect of DNA profiling is that the expert who conducted the DNA examination was not examined in evidence and the DNA report was merely exhibited in evidence by the Investigating Officer(PW-14) who undeniably is not connected with the report in any manner. This Court in the case of Rahul v. State of Delhi, Ministry of Home Affairs & Anr.[^19], while dealing with the issue concerning evidentiary value of DNA report, has held that DNA profiling reports cannot be admitted in evidence ipso facto by virtue of Section 293 CrPC and it is necessary for the prosecution to prove that the techniques of DNA profiling were reliably applied by the expert. The relevant excerpts from the said judgment are reproduced hereinbelow for the sake of ready reference: -
Paragraph 40Thus, in the facts and circumstances of the present case, non-examination of the scientific expert who carried out the DNA profiling is fatal, and the DNA report cannot be admitted in evidence. That apart, we find that the very procedure of collection and forwarding of DNA samples to the FSL is full of lacunae and loopholes. The incident took place on the intervening night of 25th/26th June, 2016. The dead body of the child-victim was picked from the crime scene by the Investigating Officer(PW-14) on 26th June, 2016 at 06:16 AM and was forwarded to Dr. Madan Mohan, medical officer(PW-7) for carrying out the post-mortem examination. The medical officer, while deposing on oath, stated that he collected following samples and articles from the child-victim’s dead body for forensic examination. The relevant excerpt from his testimony is reproduced below: -
Acts & Sections
s.293 Code of Criminal Procedure, 1973s.207 Code of Criminal Procedure, 1973s.24 Indian Evidence Act, 1872s.25 Indian Evidence Act, 1872s.26 Indian Evidence Act, 1872s.302 Indian Penal Code, 1860s.376A Indian Penal Code, 1860s.6 Protection of Children from Sexual Offences Act, 2012s.5 Protection of Children from Sexual Offences Act, 2012s.366 Code of Criminal Procedure, 1973s.164 Code of Criminal Procedure, 1973s.173(2) Code of Criminal Procedure, 1973s.45 Indian Evidence Act, 1872

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Also decided in this judgment
Must the prosecution prove the chain of custody of forensic samples before a DNA/FSL report can be relied upon?Is a trial conducted in a just and fair manner where charges are framed on the very day the relied upon documents are supplied and no legal aid counsel has been offered?Under the Indian Evidence Act, 1872, may a police officer narrate verbatim in examination-in-chief a confession made by the accused during investigation?Can the last seen circumstance be acted upon where the witnesses remained silent before the police officers who reached the spot?
Plain-language answer prepared by the LexStreak Editorial Desk — verify against the judgment. Source: Supreme Court of India. Corrections