Write powers of election commission ?

The Election Commission of India is an autonomous constitutional authority responsible for administering election processes in India at national and state. The body administers elections to the Lok Sabha, Rajya Sabha, state Legislative Assemblies, state legislative Councils, and the offices of the President and Vice President of the country. The Election Commission operates under the authority of Constitution per Article 324, and subsequently enacted Representation of the People Act. The commission has the powers under the Constitution, to act in an appropriate manner when the enacted laws make insufficient provisions to deal with a given situation in the conduct of an election. Being a constitutional authority, Election Commission is amongst the few institutions which function with both autonomy and freedom, along with the country’s higher judiciary, the Union Public Service Commission and the Comptroller and Auditor General of India. The election commission has the right to allow symbols to the political parties. It gives recognition to the national parties, state parties and regional parties. It sets limits on poll expenses. The commission prepare electoral rolls and update the voter's list from time to time. Notifications of dates and schedules of election for filing nominations are issued by the commission. It is noteworthy that Election commission cannot allot same symbol to two regional political parties even if they are not in the same state.