DNA says he's not the father. The law says he is. The court chose science.

The DNA report said: 'He is not the biological father.' The law said: 'Doesn't matter, he is the legal father.' The court had to decide which one wins.

A husband stood in the High Court, holding the DNA report from the Central Forensic Science Laboratory (CFSL). The paper trembled slightly in his hand. He was not the father of the child the law insisted was his. The wife had asked for maintenance (monthly financial support) for herself and the daughter under Section 125 of the Code of Criminal Procedure (CrPC). The husband had denied having any physical relationship with her during the time the child was conceived. The law had Section 112 of the Evidence Act ready: a child born during a valid marriage is conclusively presumed to be the husband's child. The DNA test said otherwise. The courtroom fell silent as the judge stared at the two conflicting documents on his desk. The weight of the case file felt heavier than its paper—it carried a child's future, a wife's livelihood, and a husband's plea for truth.

The wife asked for money. The husband said: test the child.

The case began in a magistrate's court. The wife filed a petition under Section 125 of the CrPC—the provision that lets a wife and children claim monthly maintenance from a husband or father who refuses to support them. She said she was married to the appellant (the man challenging the case) and that the daughter was born during the marriage. She asked the court to order him to pay maintenance for both of them. Her voice was steady as she spoke, but the room felt the weight of her plea—a woman standing alone, asking the law to protect her child.

The Judicial Magistrate agreed. The court ordered the husband to pay maintenance. The husband challenged this order before a higher court—called a revision—and lost again. The smell of old case files filled the revision courtroom as the judge dismissed his arguments. The dust motes danced in the afternoon light, settling on decades of similar disputes. He then filed a petition under Section 482 of the CrPC (the High Court's power to intervene in cases where no other remedy exists) asking for a direction to conduct a DNA test. The High Court refused, the judge's gavel coming down with finality. The husband then approached the Supreme Court for permission to appeal against that refusal.

The core question was simple: could a man be forced to pay maintenance for a child that science said was not his? But the answer was tangled in a web of legal presumptions, legislative intent, and the limits of 19th-century law facing 21st-century science.

The wife's weapon: Section 112 of the Evidence Act

The wife's strongest weapon was Section 112 of the Indian Evidence Act. This section creates a legal presumption (a rule that a court must assume a fact is true unless the opposite is proved) that a child born during a valid marriage is the legitimate child of the husband. The law calls this "conclusive proof"—meaning, in ordinary circumstances, no one can argue against it. The section was designed to protect children from the stigma of illegitimacy and to ensure family stability. The ink on the statute book had dried more than a century ago, but its words still held the power to decide lives.

The wife argued: "The child was born during our marriage. The law says you are the father. No test can change that." Her voice carried across the courtroom, firm but trembling at the edges. Since the daughter was born while she and the husband were still married, Section 112 applied. The child was conclusively presumed to be his. No DNA test could overturn that—or so she believed. Her lawyer gestured toward the Evidence Act, its pages worn from years of use, as if the book itself was a shield against the husband's challenge.

The husband argued the opposite. He said he had no "access" to the wife during the period when the child was conceived—meaning they had no physical relationship. If he could prove that, the presumption under Section 112 would not apply. A DNA test, he argued, was the only way to prove that fact scientifically. His hands were clasped tightly as he spoke, the knuckles white. He was not just fighting a legal battle; he was fighting for a truth only science could reveal.

The courtroom became a stage for a deeper conflict: the law's need for certainty versus science's promise of precision. The judge's pen hovered over the case diary, waiting for an answer that neither side could give alone.

The Supreme Court chose science

The Supreme Court recognised that DNA testing is an accurate scientific method accepted worldwide. The judges knew that the test could determine paternity with a probability of 99.99% or more—a level of certainty that the 19th-century lawmakers could never have imagined. But the court also acknowledged the conflict: Section 112 of the Evidence Act treats the husband's paternity as "conclusive proof," while modern science can show, with near certainty, that the husband is not the biological father.

The court reasoned that Section 112 was enacted at a time when scientific advancements like DNA testing were not even imagined by the legislature. The judge's hand rested on the thick volume of the Evidence Act as he spoke, the leather binding creaking under the weight of age. The law could not have intended to create an absolute, unrebuttable rule that would block the truth from emerging. The court held that while Section 112 raises a presumption of conclusive proof, that presumption is rebuttable (can be challenged and overturned) when evidence to the contrary exists. Where scientific proof contradicts the legal presumption, the presumption must yield to proof.

The court's central logic: the interest of justice is best served by ascertaining the truth. The court should be furnished with the best available science. When scientific advancement proves a conflict with a legal presumption, the scientific advancement must prevail over the formal conclusive proof envisaged under the law. The judges leaned forward as they delivered this reasoning, their voices carrying through the silent courtroom. They were not overturning the law—they were interpreting it in the light of a new age.

The court also made a crucial distinction: the presumption under Section 112 is not absolute. It is a rule of evidence, not a rule of substantive law. The legislature had used the words "conclusive proof," but those words had to be read in context. If science could demonstrate, with near certainty, that the husband was not the father, the court could not close its eyes to that truth. To do so would be to sacrifice justice for the sake of legal formalism.

The DNA report arrived. The law had no answer.

The Supreme Court allowed the husband's petition and directed that a DNA test be conducted. The test was carried out by the Central Forensic Science Laboratory (CFSL), a government forensic institution. The report concluded: the appellant was excluded from being the biological father of the daughter. The silence in the courtroom after the CFSL report was read was absolute—even the ceiling fans seemed to pause. The court clerk's voice had been flat, professional, but the words hung in the air like a verdict on the law itself.

Based on this scientific evidence, the court concluded that the husband's plea of no access was proved. The legal presumption under Section 112 was rebutted by the DNA evidence. The court allowed the appeal and set aside the judgment that had directed the husband to pay maintenance to the daughter. The judge's signature at the bottom of the order was swift, final—a full stop on a case that had questioned the very foundations of family law.

This did not mean the husband was free of all obligations. The court's order only applied to the daughter. The wife's own claim for maintenance was a separate matter, governed by different legal provisions. The door was left open for her to pursue her rights, but the child's claim—built on a presumption that science had shattered—could no longer stand.

What this means for every family lawyer

The case established a clear hierarchy: scientific evidence, if accepted as correct by the court, prevails over legal presumptions. But the court also made clear that the judge must still assess the scientific evidence against the backdrop of existing law. A DNA report is not an automatic trump card—it must be evaluated for reliability, chain of custody, and procedural fairness. The court did not give science a blank cheque; it gave it a seat at the table.

For family lawyers, this case is a reminder that the law is not static. Section 112 of the Evidence Act remains on the books, but its power has been tempered. A husband who suspects he is not the biological father of a child born during marriage now has a clear path: approach the court for a DNA test at the earliest stage. Delay can weaken the argument, as the presumption becomes more entrenched with each passing hearing.

For wives and mothers, the case is a warning. The presumption of legitimacy is no longer a fortress. If a husband can prove no access through scientific evidence, the child's right to maintenance from the husband may be lost. The burden shifts to the wife to show that the husband had access during the period of conception—a difficult task if the relationship had broken down.

THE PLAY: If you are defending a client against a paternity claim, file an application for a DNA test at the earliest possible stage—before the presumption under Section 112 becomes entrenched in the court's mind. If you are representing a wife, gather evidence of access and cohabitation immediately, and be prepared to argue that the DNA test should not be ordered unless the husband provides a strong prima facie case of no access.

The court ended where it began: with a DNA report that told the truth, and a 150-year-old law that had to learn to listen. The judge closed the file, the papers rustling softly, and the case of Nandlal Wasudeo Badwaik v. Lata Nandlal Badwaik passed into legal history. But its echo will be heard in every family court where a husband holds a DNA report and a wife holds a marriage certificate—two documents, two truths, and one question that the law must answer.