To solve this question, we need to understand the concept of "Role Complementarity" and the types of discrepancies that can lead to its failure.

Understanding Role Complementarity

Role Complementarity refers to the harmonious functioning of social roles, where individuals interact in expected ways consistent with their societal roles. Failure in Role Complementarity can occur due to various types of discrepancies.

Analyzing the Options

• Availability of more Instrumental means: This option does not directly relate to failure in role complementarity; rather, it pertains to resources available for fulfilling roles more efficiently.
• Cognitive Discrepancy: This occurs when there is a mismatch between individuals' perceptions and interpretations, which can hinder role complementarity. This option contributes to the failure of role complementarity.
• Discrepancy in Orientation of Cultural Values: If there is a conflict or difference in cultural value orientation among individuals, it can result in a failure of role complementarity as roles are guided by shared cultural values.
• Discrepancy in Role Acceptance: When individuals do not accept their societal roles or the roles expected by others, it can lead to a breakdown in role complementarity.

Conclusion

The correct answer is B, C, D Only because Cognitive Discrepancy, Discrepancy in Orientation of Cultural Values, and Discrepancy in Role Acceptance are all factors that can lead to failure in Role Complementarity.