Solution:The 73ʳᵈ and 74ᵗʰ Constitutional Amendment Act was passed under the leadership of Prime Minister P.V. Narsimha Rao, which strengthened India's federal structure by estalishing local self-governance in rural and urban areas.
* 73ʳᵈ Amendment :- Added Part IX, titled The Panchayats', to the Constitution, which includes articles 243 to 243-О.
* 74ᵗʰ Amendment :- Added Part-IXA, titled The Municipalities' to the Constitution, which includes articles 243P to 243ZG.