40. 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.
Bharatiya Sakshya Adhiniyam, 2023
Section 34 Previous judgments relevant to bar a second suit or trial
Section 35 Relevancy of certain judgments in probate, etc. jurisdiction
Section 37 Judgments, etc., other than those mentioned in sections 34, 35 and 36 when relevant
Section 38 Fraud or collusion in obtaining judgment, or incompetency of Court, may be proved