Biology Says Father. The Law Asks a Different Question.

Ask most people what settles a paternity dispute and you’ll get one answer: a DNA test. Ask an Indian court, and you’ll get a longer answer — because the law was built around a different question than the one DNA answers.

The question BSA Section 116 actually asks

The provision doesn’t ask “who is the biological father.” It asks: was this child born during a valid marriage, or within 280 days of one ending while the mother remained unmarried? If yes, the law treats that as conclusive proof of legitimacy — full stop — unless it can be shown the spouses had no access to each other at any point when conception could have occurred.

“Conclusive” is a strong word in evidence law. It means the presumption isn’t just a starting point a court weighs against other evidence; short of proving non-access, it isn’t rebuttable at all.

Why a legal system would build it that way

Before affordable, reliable paternity testing existed, this presumption was one of the only ways to protect a child’s legitimacy, inheritance rights and social standing from being reopened indefinitely by anyone who chose to doubt them. Even now, courts have continued to treat it as protecting something DNA technology doesn’t: stability, for a child who did not create the dispute, against a legal question being relitigated on demand.

What this means for a DNA request

A husband who doubts paternity does not get a DNA test simply by asking. He is, in effect, asking the court to unsettle a conclusive legal presumption. Courts have required a real evidentiary foundation — not curiosity, not suspicion alone — before ordering one, weighing the presumption and the child’s interests against the value of biological certainty.

The distinction worth holding onto

“Legal father” and “biological father” usually describe the same man. This entry exists for the specific, less common situation where a man suspects they might not — and for that situation, the practical starting point is not a testing kit. It’s understanding what a court will actually require before it reopens a question the law has already answered on his behalf.