If we need to purchase a flat. We see the sample flat, enquire about the builder, get detailed report from him about how quality is maintained, through what means etc. Like wise parties should tell before election, what are all they are going to do for country, how. Who is going to be leader, If they are going to apply reservations in education, employement, every thing they have to tell before the electorate. If people accetps then you can go ahead. But after winning the election if you are going to apply these reservation tactics, that to simply for the political purpose, then people will completely eradicate you from political scene.