National Panchayati Raj Day is observed every year on 24 April to commemorate which constitutional development?

✅ Answer / उत्तर: B. 73rd Constitutional Amendment Act, 1992 / 73वाँ संवैधानिक संशोधन अधिनियम, 1992

Explanation / व्याख्या:
The 73rd Constitutional Amendment Act, 1992 came into force on 24 April 1993 and gave constitutional status to Panchayati Raj Institutions (PRIs).
73वाँ संवैधानिक संशोधन अधिनियम, 1992, 24 अप्रैल 1993 को लागू हुआ, जिसने पंचायती राज संस्थाओं को संवैधानिक दर्जा दिया।