The president is elected indirectly by elected members of the legislature as he or she is a nominal and not the de facto electoral collage elects the president.the electoral college consist of the elected members of both houses of parliament and the elected members of the state legislative assemblies.the president is elected for a period of 5 years.the president can be re elected after his or her term.the president can submit a resignation letter to the vice president.after every 5 years the president is replaced by a new a result a new type of governin system is rised by the new president.we have a lot of problems in being comfortable with the new as a fact election leads to a great change.

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People of the country want to live upholding their constitutional rights. THey elect a government that makes policies and ordinances which benefit the people of the country.  If a particular governmnet due to a vast majority in the parliament, acts like a dictator - only one sided domination and it does not heed to people's needs, cries and voices, then the lives of people are at a disadvantage. Their fundamental rights are violated. The government can take advantage of monopoly situation due ot its majority.
But after 5 years there will be elections in which the people get to choose a new government that will promise to do good for the people. If there are no elections, only one government continues. Thus election brings a change. It can be in the ruling party itself or it can be about some representatives...
Elections always bring a lot of change, new hope, new promises, new concessions, new schemes etc. to people.