Which of the following statement/statements is/are correct in context to the filing of the nomination paper in the presidential election of India?

(I) The nomination paper should be subscribed by at least fifty electors as proposer and at least electors as seconders

(II) A candidate shall not be deemed to be duly nominated for the election unless he deposits or causes to be deposited a sum of fifteen thousand rupees.

(III) A candidate nominated by more than one nomination paper has to make only one deposit.

The correct option is -