Circumstantial evidence and DNA profiling sustained conviction, while the death sentence was commuted to life imprisonment.

Circumstantial evidence, supported by DNA profiling and corroborating medical findings, was treated as sufficient to establish guilt for murder and rape where the chain of circumstances was complete and objections to sample custody and testing did not displace the scientific evidence. Omission to put some incriminating facts to the accused under Section 313 CrPC did not vitiate the conviction because no prejudice or miscarriage of justice was shown, and the accused had addressed the core case against him. On sentencing, the Court applied capital punishment principles, weighed aggravating and mitigating factors, and commuted the death sentence to life imprisonment.

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Issues: (i) whether the circumstantial and DNA evidence established the appellant's guilt for murder and rape; (ii) whether omission to put certain incriminating circumstances to the appellant under Section 313 of the Code of Criminal Procedure, 1973 vitiated the conviction; (iii) whether the death sentence was warranted or required commutation.

Issue (i): whether the circumstantial and DNA evidence established the appellant's guilt for murder and rape

Analysis: The prosecution relied on a chain of circumstances comprising longstanding harassment and motive, the appellant's presence near the faculty and the deceased's residence on the day of occurrence, the broken helmet visor and bloodstains, the fresh injury on the appellant's hand, and the DNA result linking the appellant to the biological material collected from the deceased. The Court held that the medical and forensic material supported the finding that the hand injury was recent and inconsistent with the defence version, and that the objections to custody, dispatch, and testing of the samples did not undermine the scientific evidence. The Court further held that the expert evidence on DNA profiling could not be rejected by substituting judicial speculation for scientific opinion.

Conclusion: The circumstances were proved and the appellant's guilt was established.

Issue (ii): whether omission to put certain incriminating circumstances to the appellant under Section 313 of the Code of Criminal Procedure, 1973 vitiated the conviction

Analysis: The Court held that the governing rule is that incriminating circumstances should ordinarily be put to the accused, but omission does not by itself vitiate the trial unless prejudice or miscarriage of justice is shown. Here, the defence was fully aware of the case against the appellant, had addressed the core circumstances in argument, and no prejudice was demonstrated. The Court also applied the principle that facts especially within the knowledge of the accused must be explained by him.

Conclusion: The omission did not vitiate the conviction.

Issue (iii): whether the death sentence was warranted or required commutation

Analysis: Although the Court affirmed the brutality and premeditation of the crime, it considered the sentencing principles governing capital punishment and weighed the aggravating and mitigating circumstances. The appellant was relatively young at the time of the offence, the conviction had been reversed from an acquittal on circumstantial evidence, and the Court found some scope for reform. On balance, the Court held that the lesser sentence would meet the ends of justice.

Conclusion: The death sentence was commuted to life imprisonment.

Final Conclusion: The conviction for murder was sustained, the challenge to the evidentiary findings failed, and the sentence was reduced from death to life imprisonment.

Ratio Decidendi: In a circumstantial evidence case, expert scientific evidence may be relied upon when the chain of circumstances is complete, omission to put some inculpatory facts under Section 313 does not vitiate the trial absent shown prejudice, and death penalty is reserved for the gravest cases after weighing aggravating and mitigating factors.

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