By which Constitutional Amendment Act was the minimum voting age reduced from 21 years to 18 years in India in 1989?

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

Which amendment act reduced voting age from 21 to 18?

The minimum age for being eligible to vote in Indian Elections was reduced from 21 years to 18 years in the decade of -

By which one of the following Constitutional Amendment Acts, was Article 21A (Right to Education) inserted into the Constitution of India?

Which of the following Constitutional Amendment Acts was termed as Mini Constitution?