🧬 DNA Test for Paternity: A Measure of Last Resort
Context
In In Re: P. vs P. (2026), the Supreme Court upheld a trial court's order directing a DNA test in a paternity dispute while reiterating that such tests should be used only when necessary and proportionate. The judgment seeks to balance the pursuit of truth with privacy, dignity, and legitimacy concerns.
Supreme Court's Evolving Jurisprudence on DNA Testing
| Case | Principle Established |
|---|---|
| Goutam Kundu v. State of West Bengal (1993) | DNA tests should not be ordered routinely; a strong prima facie case must exist. |
| Shri Banarsi Dass v. Teeku Dutta (2005) | Protection of legitimacy is more important than mere forensic curiosity. |
| Nandlal Wasudeo Badwaik v. Lata Nandlal Badwaik (2014) | Scientific evidence may override legal presumptions when justice requires. |
| Dipanwita Roy v. Ronobroto Roy (2014) | Refusal to undergo DNA testing may invite adverse inference. |
| K.S. Puttaswamy v. Union of India (2017) | Privacy, including genetic information, is a fundamental right under Article 21. |
| Aparna Ajinkya Firodia v. Ajinkya Arun Firodia (2023) | DNA tests must satisfy necessity and proportionality requirements. |
| Ivan Rathinam v. State (2025) | Neither privacy nor the right to know is absolute; balancing is required. |
| In Re: P. vs P. (2026) | DNA testing permissible when scientific determination is essential to resolve paternity disputes. |
Key Legal Principles Emerging from the Judgments
1. DNA Testing Is Not Routine
- Courts cannot automatically direct DNA testing.
- A strong prima facie case must first be established.
2. Protection of Child's Legitimacy
- Indian law traditionally protects legitimacy of children.
- Courts seek to avoid unnecessary social stigma.
3. Scientific Truth vs Legal Presumptions
- Scientific evidence may prevail when justice demands certainty.
- Legal presumptions cannot override conclusive scientific proof.
4. Privacy Must Be Protected
- DNA information constitutes highly sensitive personal data.
- Compulsory testing affects bodily autonomy and informational privacy.
Necessity & Proportionality Test
Before ordering DNA testing, courts must examine:
- Can the dispute be resolved through alternative evidence?
- Is DNA testing indispensable to determine the truth?
- Is the privacy intrusion proportionate to the objective sought?
- Will the test significantly aid the administration of justice?
Adverse Inference Rule
- Refusal to undergo DNA testing does not automatically establish paternity or non-paternity.
- However, courts may draw an adverse inference depending on the facts and circumstances of the case.
Supreme Court's Position in In Re: P. vs P. (2026)
DNA testing may be ordered when:
- Paternity is directly in dispute.
- Existing evidence is insufficient.
- Scientific determination is essential.
- The tests of necessity and proportionality are satisfied.
The Court upheld the DNA test because the dispute could not be conclusively resolved through available evidence and required scientific certainty.
Constitutional Dimensions
| Rights Involved | Competing Interests |
|---|---|
| • Right to Privacy • Bodily Autonomy • Human Dignity • Article 21 Protections | • Discovery of Truth • Administration of Justice • Child Welfare • Fair Adjudication of Disputes |
Conclusion
The Supreme Court's approach has evolved from a cautious attitude towards DNA testing to a balanced rights-based framework. While DNA evidence remains one of the most reliable forms of scientific proof, courts continue to view it as a measure of last resort, permissible only when necessary for justice and when privacy, dignity, and legitimacy concerns are adequately protected.