The correct option is 1993.
Explanation
The 73rd Constitutional Amendment Act granted constitutional status and protection to Panchayati Raj Institutions (PRIs) in India. It added Part IX to the Constitution, titled "The Panchayats," and the Eleventh Schedule, which contains 29 functional items of the Panchayats.
Timeline of Enactment:
- Passed by Parliament: The Bill was passed by both houses of Parliament in December 1992.
- Presidential Assent: It received the assent of the President of India on April 20, 1993.
- Date of Enforcement: The Act officially came into force on April 24, 1993.
Consequently, April 24 is celebrated annually as National Panchayati Raj Day in India to commemorate the enforcement of this landmark legislation.
Key Takeaway: While the legislation is titled the "Constitution (Seventy-third Amendment) Act, 1992" denoting the year of its passage, it legally came into force in 1993.