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1The Evidence Act, 1872

( ACT NO. I OF 1872 )

Chapter II


Opinion of Experts

2[45.  When the Court has to form an opinion upon a point of foreign law, or of science, physical or forensic evidence or digital record, or art, or as to identity of hand writing or finger impression or footprint or palm impression or iris impression or typewriting or usage of trade or technical terms or identity of person or animal, the opinion upon that point of person specially skilled in such foreign law, science, physical or forensic evidence or digital record or art, or in questions as to identity of handwriting or finger impression, footprint, palm impression, typewriting, usage of trade, technical term or identity of person or animal, as the case may be, are relevant facts.

Such persons are called experts.


(a) The question is, whether the death of A was caused by poison.

The opinion of experts as to the symptoms produced by the poison by which A is supposed to have died, are relevant.

(b) The questions is, whether A, at the time of doing a certain act, was, by reason of unsoundness of mind, incapable of knowing the nature of the act, or that he was doing what was either wrong or contrary to law.

The opinions of experts upon the question whether the symptoms exhibited by A commonly show unsoundness of mind, and whether such unsoundness of mind usually renders persons incapable of knowing the nature of the acts which they do, or of knowing that what they do is either wrong or contrary to law, are relevant.

(c) The question is whether a certain document was written by A. Another document is produced which is proved or admitted to have been written by A.

The opinions of experts on the question whether the two documents were written by the same person or by different persons, are relevant.]

  • 1
    Throughout this Act, except otherwise provided, the words "Bangladesh", "Government" and "Taka" were substituted, for the words "Pakistan", "Central Government" and "rupees" or "Rs." respectively by section 3 and 2nd Schedule of the Bangladesh Laws (Revision And Declaration) Act, 1973 (Act No. VIII of 1973).
  • 2
    Section 45 was substituted by section 9 of the Evidence (Amendment) Act, 2022 (Act No XX of 2022).
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