Correct option is C
The facts that 'A' had murdered 'C' and that 'B' had tried to extort money from 'A' by threatening to make his knowledge public are relevant under Section 8 of the Indian Evidence Act, 1872. This Section deals with the relevance of motive, preparation, and previous or subsequent conduct.
Explanation:
1. Section 8: Deals with any fact which shows or constitutes a motive or preparation for any fact in issue or relevant fact. It also includes the 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 therein or relevant thereto, and the conduct of any person an offence against whom is the subject of any proceeding, as is relevant, if such conduct influences or is influenced by any fact in issue or relevant fact.
2. Motive and Conduct: 'A's previous act of murdering 'C' and 'B's subsequent attempt to extort money from 'A' by threatening to reveal this information are relevant to show 'A's motive and conduct related to the murder of 'B'.
Additional Information:
· Section 7 (a): Deals with facts which are the occasion, cause, or effect of facts in issue, but does not directly address motive or conduct.
· Section 9 (b): Pertains to facts necessary to explain or introduce a fact in issue or relevant fact, or which support or rebut an inference suggested by a fact in issue or relevant fact.
· Section 11 (d): Covers facts which are inconsistent with any fact in issue or relevant fact, or which by themselves or in connection with other facts make the existence or non-existence of any fact in issue or relevant fact highly probable or improbable.