The correct answer is ​Members of Parliament and members of Sate Legislative Assemblies.

• ​Under Article 324 of the Constitution of India, the authority to conduct elections to the Office of President is vested in the Election Commission of India.
•  The President of India is elected by the electoral college which consists of Elected members of both the houses of parliament.
•  The elected members of the Legislative Assemblies of Delhi and Pondicherry have been authorized to be the part of Electoral College by the 70th Amendment of 1992.

• Under Article 61 of the constitution, the president may also be removed before the expiry of the term through impeachment for violating the Constitution of India by the Parliament of India.
• The process may start in either of the two houses of the parliament.
• The Powers of the President-​
  • Serve as commander in chief of the armed forces.
  • Commission officers of the armed forces.
  • Grant reprieves and pardons for federal offenses (except impeachment)
  • Convene Congress in special sessions.
  • Receive ambassadors.
  • Take care that the laws be faithfully executed.
  • Wield the "executive power"