Here we will see Section 5 of The Indian Evidence Act.
Evidence may be given of facts in issue and relevant facts : Evidence may be given in any suit or proceeding of the existence of non-existence of every fact in issue and of such other facts as are hereinafter declared to be relevant, and of no others.
Explanation : This section shall not enable any person to give evidence of a fact which he is disentitled to prove by any provision of the law for the time being in force relating to Civil Procedure.
(a) A is tried for the murder of B by beating him with a club with the intention of causing his death.
At A’s trial the following facts are in issue: ––
A’s beating B with the club;
A’s causing B’s death by such beating;
A’s intention to cause B’s death.
(b) A suitor does not bring with him, and have in readiness for production at the first hearing of the case, a bond on which he relies. This section does not enable him to produce the bond or prove its contents at a subsequent stage of the proceedings, otherwise than in accordance with the conditions prescribed by the Code of Civil Procedure.