His remarks came days after Prime Minister Narendra Modi made a fresh pitch for holding the polls together.
Modi had said that like festivals, elections should be held on fixed dates so that governments can function for five years.
He had also said that barbs exchanged during campaigning in one state have a bearing in other parts of the country which are not going to polls.
Speaking on the National Voters Day here, Prasad said that Indians were becoming to much election-oriented people.
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He said political parties will have to sit together to decide on simultaneous polls.
In an interview to PTI, newly-appointed chief election commissioner OP Rawat had said recently that the legal framework required to hold the two elections together will take a "lot of time" to get ready.
Rawat had also said he would be the wrong person to respond as to whether simultaneous polls could be held in 2019.