Which Constitution Amendment Act. reduced the voting age from 21 years to 18 years?

1. A

   66th Amendment

   The 66th Amendment (1990) extended President’s Rule-related provisions (Article 356) in a specific State context; it did not lower the voting age. Voting age is a 61st Amendment story. 66th is a wrong number.

2. B

   62nd Amendment

   The 62nd Amendment (1989) extended SC/ST reservation in legislatures. It is neighbouring in number to the 61st but a different subject. It did not change 21 to 18.

3. C

   61st Amendment

   (c) Official key: The Constitution (Sixty-first Amendment) Act, 1988 amended Article 326 to reduce the voting age for Lok Sabha and State Assembly elections from 21 years to 18 years. That is the amendment asked. Among 66th, 62nd, 61st and 63rd, the keyed Act is the 61st.

4. D

   63rd Amendment

   The 63rd Amendment (1989) also dealt with emergency/President’s Rule duration issues, not franchise age. It is another nearby number distractor. The franchise change remains the 61st.

Summary. Official key is (c). Adult franchise age fell from 21 to 18 through the 61st Constitutional Amendment (Article 326), effective for elections from 1989. The 62nd, 63rd and 66th Amendments address reservation or emergency-related texts, not voting age. The keyed amendment is the 61st.