The Election Commission of India is responsible for the election of which of the following?
i. Lok Sabha
ii. Rajya Sabha
iii. State legislatures
iv. Offices of the President and Vice President in the country

The Election Commission of India is an autonomous constitutional authority responsible for administering election processes in India. The body administers elections to the Lok Sabha, Rajya Sabha, state legislatures, and the offices of the President and Vice President in 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.