The correct option is Right to adequate livelihood..
Explanation
The Directive Principles of State Policy (DPSP), enshrined in Part IV (Articles 36-51) of the Constitution, are non-justiciable in nature. According to Article 37, these principles are fundamental in the governance of the country, but they are not enforceable by any court.
Option Analysis:
- Right to adequate livelihood. is Correct: The Right to adequate means of livelihood is explicitly mentioned under Article 39Right to adequate livelihood. of the Directive Principles. As a DPSP, it is a non-justiciable right, meaning citizens cannot approach the courts to enforce it against the State.
- Right to vote. is Incorrect: The Right to vote is a constitutional right derived from Article 326 (Universal Adult Suffrage) and a statutory right under the Representation of the People Act, 1951. It is not listed under the Directive Principles.
- Right to property. is Incorrect: The Right to property was originally a Fundamental Right but is now a legal or constitutional right under Article 300A (Part XII). It is not a DPSP.
- Right to travel abroad. is Incorrect: The Right to travel abroad is recognized as a Fundamental Right under Article 21 (Protection of Life and Personal Liberty), as interpreted by the Supreme Court in the Maneka Gandhi case (1978). Fundamental Rights are justiciable.
Key Takeaway: Fundamental Rights (Part III) are justiciable, whereas Directive Principles (Part IV), such as the right to adequate livelihood, are non-justiciable instructions to the State.