The correct option is C 25 years
An individual should be a citizen of India, should be a member of either the Lok Sabha or the Rajya Sabha, should have completed 25 years of age if he is a member of the Lok Sabha or 30 years if he is a member of the Rajya Sabha to be eligible for the position of Prime Minister of India. He is the leader of the executive of the Government of India. The prime minister is also the chief adviser to the President of India and the head of the Council of Ministers.