Not less than one-third of the total number of seats in all the three tiers of Panchayat shall be reserved for women – It is provided by

Correct option is A

The 73rd Constitutional Amendment Act was enacted in 1992.
It gave constitutional status to Panchayati Raj Institutions.
It mandated reservation of seats for women.
Minimum one-third seats are reserved at all three tiers.
This provision ensures women’s participation in governance.
Other amendment years mentioned are incorrect.
Hence, option (a) is correct.