The purpose of using votes secretly is that people independently facilitate their intention for election.
The people stay secured by using their votes secretly and can select their favorite candidate.
In visible elections the big groups such as, officials, government workers, private, commercial organizations workers, domestic and agricultural workers can be affected by their managers during the voting time and the authority of their votes can be taken from them. As well as the party relation, political pressures and using money compels the democratic voting process.
Independent elections also prevent the threats, violence and cheating. Such actions, using money and rifles are prevented by the governmental organizations or any other groups during voting time.
As well as participating and not participating in elections means independency of election.