The correct option is Caste system inequalities.
Explanation
In the context of political theory and the philosophy underlying Fundamental Rights, freedom is defined as the absence of constraints. Constraints are classified based on their source. Social constraints originate from societal structures, customs, and inequalities (such as caste or gender hierarchies) that restrict individual potential. In contrast, legal or state constraints are imposed by the government to maintain order.
Option Analysis:
- Caste system inequalities Caste system inequalities: Correct. The caste system is a structural social constraint. It restricts an individual's freedom and opportunities based on birth and social hierarchy. The Indian Constitution, particularly through Articles 15 and 17, specifically targets these social constraints to ensure true liberty.
- Imprisonment by the state Imprisonment by the state: Incorrect. This is a coercive legal constraint imposed by the state authority, typically as a punishment for violating the law.
- Traffic rules Traffic rules: Incorrect. These are regulatory constraints imposed by the government to ensure public safety and coordination, not social stratification.
- Contractual employment obligations Contractual employment obligations: Incorrect. These are economic or legal constraints arising from voluntary agreements or market dynamics, distinct from social customs.
Key Takeaway:
Social constraints are limitations on freedom imposed by societal norms and inequalities (like the caste system), whereas legal constraints are formal restrictions imposed by the state (like laws and imprisonment).