Election to the Office of the President is conducted by

The correct answer is (d). The Election Commission of India is an independent constitutional body responsible for conducting elections to the Parliament, the State Legislative Assemblies, the offices of the President and Vice-President of India, and the Rajya Sabha seats from the States and Union Territories.

The other options are incorrect. The Speaker of the Lok Sabha is the presiding officer of the Lok Sabha, the lower house of the Parliament of India. The Prime Minister’s Office is the principal office of the Prime Minister of India. The Minister for Parliamentary Affairs is a minister in the Government of India who is responsible for the affairs of the Parliament of India.