It is not that the parties don't know this. They want this. Every time try their luck. If some one gets majority, they are the luckiest. If not try alternative courses. Join together to spoil the majority decission. Smallest party will rule by manipulation. That is politics. Kick these idiots onec for by bringing Military rule at least for next 10 years. \ Amend the Constitution so as to prohiblit the small petty parties to rule buy hook or crook. Allow only educated people to become representatives. Eliminate criminals from politics.