Section 8 of the Indian Evidence Act, 1872 deals with the relevancy of motive, preparation and conduct. It states that if a fact shows or constitutes a motive or preparation for any relevant fact or fact in issue, is relevant. It also states that previous or subsequent conduct of any party or of any agent to any party to any suit or proceeding, in reference to such suit or proceeding, or in reference to any fact in issue or relevant fact, are relevant provided that such conduct influences or is influenced by any fact in issue or relevant fact.