law: Indian Evidence Act, 1872 
  43. Judgment, etc., other than those mentioned in sections
  
  40 to 42, when relevant 
  
  Judgments, orders or
  
  decrees, other than those mentioned in sections 40, 41 and 42, are irrelevant,
  
  unless the existence of such judgment, order or decree, is a fact in issue, or
  
  is relevant under some other provision of this Act.
  Illustrations
  (a) A and B separately
  
  sue C for a libel which reflects upon each of them. C in each case says, that
  
  the matter alleged to be libelous is true, and the circumstances are such that
  
  it is probably true in each case, or in neither.
  A obtains a decree
  
  against C for damages on the ground that C failed to make out his
  
  justification. The fact is irrelevant as between B and C.
  (b) A prosecutes B for
  
  adultery with C, A’s wife.
  B denies that C is A’s
  
  wife, but the Court convicts B of adultery.
  Afterwards, C is
  
  prosecuted for bigamy in marrying B during A’s lifetime. C says that she never
  
  was A’s wife
  The judgment against B
  
  is irrelevant as against C.
  (c) A prosecutes B for
  
  stealing a cow from him, B is convicted.
  A afterwards sues C
  
  for the cow, which B had sold to him before his conviction. As between A and C,
  
  the judgment against B is irrelevant.
  (d) A has obtained a
  
  decree for the possession of land against B, C, B’s son, murders A is
  
  consequence.
  The existence of the
  
  judgment is relevant, as showing motive for a crime.
   29  [(e) A is charged with
  
  theft and with having been previously convicted of theft. The previous
  
  conviction is relevant as a fact in issue.
  (f) A is tried for the
  
  murder of B. The fact that B prosecuted A for libel and that A was convicted
  
  and sentenced is relevant under section 8 as showing the motive for the fact in
  
  issue.