With reference to the composition of the NITI Aayog under the Cabinet Secretariat Resolution of 1 January 2015, consider the following statements:

1. It may have not more than two part-time members, drawn from leading universities, research organisations and other relevant institutions, who serve on a rotational basis.

2. It may have not more than four ex officio members, nominated by the Prime Minister from among the members of either House of Parliament.

3. Experts, specialists and practitioners with relevant domain knowledge may be associated with it as special invitees nominated by the Prime Minister.

How many of the statements given above are correct?