The correct answer is (c). The Election Commission of India is a constitutional body established by the Constitution of India to conduct elections to the Parliament, the state legislatures, the President and the Vice-President of India. It is an independent body and is not under the control of the government. The other options are not constitutional bodies. The University Grants Commission is a statutory body established by the Parliament of India to coordinate and maintain standards of higher education in India. The Competition Commission of India is an independent statutory body established by the Competition Act, 2002 to promote and protect competition in the markets of India. The Central Electricity Regulatory Commission is an independent statutory body established by the Electricity Regulatory Commissions Act, 1998 to regulate the electricity sector in India.