Section40
The Bharatiya Sakshya Adhiniyam, 2023

Facts bearing upon opinions of experts

In force From 01 Jul 2024 Act 47 of 2023 As on 14 Oct 2026

Act 47 of 2023 Ministry Home Affairs Enacted 25 Dec 2023 In force 01 Jul 2024

Section 40 of the Bharatiya Sakshya Adhiniyam, 2023 deals with facts bearing upon opinions of experts. Facts, not otherwise relevant, are relevant if they support or are inconsistent with the opinions of experts, when such opinions are relevant. The Act came into force on 01 Jul 2024.

Facts, not otherwise relevant, are relevant if they support or are inconsistent with the opinions of experts, when such opinions are relevant.

Illustrations.

(a) The question is, whether A was poisoned by a certain poison. The fact that other persons, who were poisoned by that poison, exhibited certain symptoms which experts affirm or deny to be the symptoms of that poison, is relevant.

(b) The question is, whether an obstruction to a harbour is caused by a certain sea-wall. The fact that other harbours similarly situated in other respects, but where there were no such sea-walls, began to be obstructed at about the same time, is relevant.

Section 40, The Bharatiya Sakshya Adhiniyam, 2023 (Act 47 of 2023).

Replaces a provision of the Indian Evidence Act

IEA 46 Facts bearing upon opinions of experts Text carried over almost unchanged 100%

Measured by comparing the text of the two provisions, not taken from an official correspondence table — there is no machine-readable one. See both texts side by side before relying on it.

Both regimes are live. The repealed enactment still governs what happened while it was in force. We never redirect one to the other.

Questions about Section 40

What does Section 40 of the Bharatiya Sakshya Adhiniyam deal with?

Section 40 of the Bharatiya Sakshya Adhiniyam is headed "Facts bearing upon opinions of experts". Facts, not otherwise relevant, are relevant if they support or are inconsistent with the opinions of experts, when such opinions are relevant.

How do I find court cases under Section 40 of the Bharatiya Sakshya Adhiniyam?

In judgments and charge sheets this section is written several ways, and each form finds a different set of orders. These search the full text of every order eCourtsIndia holds, best matches first: BSA 40, section 40 BSA, section 40 of the Bharatiya Sakshya Adhiniyam. People searching for it also type bsa 40 0042 and bsa 40 gender roles. Each opens the full list of orders on eCourtsIndia, where it can be narrowed by court, year and outcome.

What should I read with Section 40 of the Bharatiya Sakshya Adhiniyam, and has it changed?

It carries forward IEA 46 (Facts bearing upon opinions of experts), so the judgments decided under that provision are the case law on this one.

When did Section 40 of the Bharatiya Sakshya Adhiniyam come into force?

Section 40 of the Bharatiya Sakshya Adhiniyam, cited as BSA 40, came into force on 01 Jul 2024, having been enacted on 25 Dec 2023. It is in force as at the date shown on this page.

Other sections of this Act

Source and method. Compiled from the enactments of Parliament and of the State legislatures as published on India Code, and republished together with commentary and other original matter under section 52(1)(q)(ii) of the Copyright Act, 1957. Structured, cross-referenced and maintained by eCourtsIndia. Text as in force on 14 Oct 2026. This page is not a substitute for legal advice.