The President of India shall be elected by the members of an electoral college consisting of:
I. The elected members of both Houses of Parliament
II. The elected members of the Legislative Assemblies of the States.

Correct option is C

The answer is (c), Both I and II.
The President of India shall be elected by the members of an electoral college consisting of:
the elected members of both houses of parliament (MPs), the elected members of the State Legislative Assemblies (Vidhan Sabha) of all States and the elected members of the legislative assemblies (MLAs) of union territories with legislatures, i.e., National Capital Territory (NCT) of Delhi, Jammu and Kashmir and Puducherry.
The election is held in accordance with the system of proportional representation (PR) by means of the instant-runoff voting (IRV) method. The voting takes place by a secret ballot system. The manner of election of President is provided by Article 55 of the constitution.