Instructions: universal adult suffrage
Solution: The one-vote-per-person principle is known as universal adult suffrage. The concept of universal adult suffrage implies that all citizens aged 18 and up, regardless of caste or education, religion, colour, race, or economic circumstances, are eligible to vote.
A person who has not declared bankruptcy or is not mentally unstable is eligible to vote.
Even in the face of illiteracy, poverty, and other similar issues, the Constitution guarantees the right to vote.
Elections are not possible without voters; it is only voters' opinions that matter in elections.