When the Court has to form an opinion as to-
the usages and tenets of any body of men or family,
the constitution and government of any religious or charitable foundation, or
the meaning of words or terms used in particular districts or by particular classes of people,
the opinion of persons having special means of knowledge thereon are, relevant facts.
Section 41 Relevancy of certain judgments in probate, etc., jurisdiction
Section 43 Judgments, etc., other than those mentioned in sections 40, 41 and 42, when relevant
Section 44 Fraud or collusion in obtaining judgment, or incompetency of Court, may be proved
Section 45 Opinions of experts
Section 45A Opinion of Examiner of Electronic Evidence
Section 46 Facts bearing upon opinions of experts
Section 47 Opinion as to handwriting, when relevant
Section 47A Opinion as to digital signature, when relevant
Section 48 Opinion as to existence of right or custom, when relevant
Section 49 Opinion as to usages, tenets, etc., when relevant