In the political campaigns, different candidates belong to different party whose aim is to influence the public so that they'll vote for their party. Before elections candidates roam around the city, deliver their speech, make promises to the citizens, posters are pasted here and there. By this the citizens also get influenced. Now at the time of elections, people go to concerned polling booths, there an EVM is there in which public votes. And at last votes are counted and are told on some declared date.