The correct option is A every adult of the country has a say in the administration and governance of the country
The concept of adult suffrage means that the elections to the House of the People and to the Legislative Assembly of every State shall be on the basis of adult suffrage. Every person who is a citizen of India and who is not less that eighteen years of age on such date as may be fixed in that behalf by or under any law made by the appropriate Legislature and is not otherwise disqualified under this Constitution or any law made by the appropriate Legislature on the ground of non-residence, unsoundness of mind, crime or corrupt or illegal practice, shall be entitled to be registered as a voter at any such election.