How can the principle of securing uniformity among the States and parity between the States as a whole and the Union be achieved according to this article?
The principle of securing uniformity among the States and parity between the States as a whole and the Union can be achieved according to this article by determining the number of votes each elected member of Parliament and of the Legislative Assembly of each State is entitled to cast at the election of the President in the following manner:

(a) every elected member of the Legislative Assembly of a State shall have as many votes as there are multiples of one thousand in the quotient obtained by dividing the population of the State by the total number of the elected members of the Assembly.