Introduction
Revata Kirkan died in her marital home in November 1996. Her in-laws initially reported it as a snake bite. The post-mortem told a different story: death by strangulation, staged to look like an accident. Nobody outside that house had seen what happened. The Supreme Court's answer to that evidentiary gap rests on the same principle now codified as Section 109 of the Bharatiya Sakshya Adhiniyam, 2023 (BSA).
This article covers Section 109's text and its own two illustrations, the landmark ruling on what happens when the truth of an event sits exclusively inside one person's knowledge, and the limit that keeps this provision from quietly reversing the presumption of innocence.
109. Burden of proving fact especially within knowledge.
When any fact is especially within the knowledge of any person, the burden of proving that fact is upon him.
Illustrations.
(a) When a person does an act with some intention other than that which the character and circumstances of the act suggest, the burden of proving that intention is upon him.
(b) A is charged with travelling on a railway without a ticket. The burden of proving that he had a ticket is on him.
Section 109 reproduces Section 106 of the Indian Evidence Act, 1872 without any wording change — confirmed against two independent bare-act sources.
Trimukh Maroti Kirkan v. State of Maharashtra: The Privacy-of-the-Home Rule
In Trimukh Maroti Kirkan v. State of Maharashtra, (2006) 10 SCC 681, the Supreme Court (Mathur and Raveendran, JJ.) confronted exactly this problem: a wife allegedly harassed for dowry was found dead of strangulation inside her marital home, dressed up as a snake-bite death, with no outside witness to what actually happened. The Court held that where an offence like this occurs in the secrecy of a house, the prosecution's initial burden is of a comparatively lighter character — and Section 106 IEA (now Section 109 BSA) imposes a corresponding duty on the inmates of that house to offer a cogent explanation for how the death came about. If the accused stays silent or offers an explanation that is shown to be false, that silence or falsehood becomes an additional link in the chain of circumstances against them.
The Same Logic in the Act's Own Illustration
Illustration (b)'s railway-ticket example works on identical reasoning, just in a far lower-stakes setting. Whether a passenger bought a ticket is, in principle, something the railway authority could theoretically investigate — but doing so for every passenger, on every journey, would be practically impossible. The passenger, by contrast, knows in an instant whether they have a valid ticket in their pocket. Section 109 puts the burden there, on the person for whom producing the answer costs almost nothing, rather than on the party for whom disproving it would be enormously expensive.
Two Settings, One Underlying Test
A tenant is found to have subverted a building's fire-safety wiring, causing a blaze; only the tenant knows why particular modifications were made. A commuter is questioned about a ticket only they can produce from their own pocket. A spouse is the only person who could have been present when their partner died inside their shared home. All three share the same underlying test Section 109 applies: is this fact one the person is uniquely positioned to know and prove, at a cost to them that is trivial compared to what it would cost anyone else to establish it independently? Where the answer is yes, the burden sits with them.
Key Takeaways
- Section 109 BSA carries forward Section 106 IEA verbatim, including both of its illustrations, confirmed unchanged.
- The burden of proving a fact shifts to whoever has special, near-exclusive knowledge of it — not merely better knowledge, but knowledge no one else could reasonably be expected to produce.
- Trimukh Maroti Kirkan v. State of Maharashtra, (2006) 10 SCC 681, applies this to deaths occurring in the privacy of a home: the accused must offer a cogent explanation, and a false one becomes an additional link in the chain of guilt.
- The provision does not shift the prosecution's overall burden of proving guilt beyond reasonable doubt — it fills a narrow evidentiary gap, once basic circumstances are otherwise established.
- The same logic covers everyday, low-stakes facts too, like proving one holds a valid ticket — not just serious criminal matters.
Conclusion
Section 109 solves a basic fairness problem: forcing one side to disprove something only the other side could ever really know would make entire categories of wrongdoing practically unprovable. Trimukh Maroti Kirkan shows how much weight that principle carries in the gravest cases, while the Act's own ticket illustration shows it applies just as naturally to the smallest ones. Chapter VII's descent through the burden-of-proof provisions continues next at Section 108.