Barkat Khan and others v Banaras Khan and others

Background

Background

The Supreme Court held that an indirect DNA comparison with collateral relatives cannot by itself conclusively determine parentage and must be assessed with the complete oral, documentary and official record.

The trial court rejected a claim to legal heirship, but the first appellate court reversed that result and the Peshawar High Court maintained it in revision. The challengers relied heavily on a DNA comparison that did not directly test the alleged parent.

Can a collateral-relative DNA comparison conclusively determine parentage?

Can a collateral-relative DNA comparison conclusively determine parentage?

Whether a DNA comparison conducted through collateral relatives conclusively determined parentage and whether the High Court could compare the evidence where the trial and appellate courts had recorded divergent findings.

Court holding

What the Court decided

No. Without a direct sample from the alleged parent, a collateral-relative comparison is an indirect statistical assessment and is not conclusive by label alone. It must be assessed with the entire oral, documentary and official record. Where the lower courts disagree, the High Court may compare the evidentiary foundations of their competing findings.

Final outcome

Final outcome

The petition was dismissed and leave to appeal was refused. The Supreme Court found no misreading, non-reading or legal error in the High Court's comparative assessment of the evidence.

Practical effect

What the decision means in practice

Litigants should identify the precise scientific relationship tested and produce the complete laboratory interpretation. Official family records and properly tested oral evidence remain material, especially where no direct sample from the alleged parent exists.

This summary states the immediate effect recorded in the decision. The original judgment and the facts of the particular case remain controlling.

Key legal principles

Key legal principles

• A direct parent-child comparison and an indirect collateral-relative kinship analysis do not carry identical evidentiary significance.
• The weight of genetic evidence depends on the tested relationship, markers, hypotheses and likelihood ratio rather than the label DNA test alone.
• An indirect comparison without the alleged parent's sample does not automatically displace probative official, documentary and oral evidence.
• Failure to challenge material testimony in cross-examination may affect the evidentiary assessment.
• Where the trial and appellate courts record divergent findings, the High Court may compare their evidentiary foundations in revision.
• Further interference requires a demonstrated misreading, non-reading, perversity, arbitrariness or material legal error.

Pakistan relevance

Pakistan relevance

The judgment gives current Supreme Court guidance on the evidentiary limits of indirect DNA kinship testing in inheritance and parentage disputes.