The correct answer is (b) 60 days.
The President of India is the head of state of India. The President is elected by an electoral college consisting of elected members of both houses of Parliament and the legislative assemblies of all states. The President holds office for a term of five years.
If the office of the President falls vacant, the Vice-President acts as President until a new President is elected. The election of a new President must be held within 60 days of the vacancy occurring.
The President is the supreme commander of the Indian Armed Forces. The President has the power to appoint the Prime Minister and other members of the Union Council of Ministers. The President also has the power to dissolve the Lok Sabha (the lower house of Parliament) and to call for fresh elections.
The President is the guardian of the Constitution. The President has the power to declare a state of emergency and to suspend fundamental rights. The President also has the power to appoint the Chief Justice of India and other judges of the Supreme Court and the High Courts.
The President is a powerful position in the Indian government. The President is responsible for ensuring that the Constitution is upheld and that the government functions smoothly.