Which one of the following is not a constitutional body ?

Which one of the following is not correct about NITI Aayog?

Which one of the following is not in existence now?

Which one of the following is not an objective of NITI Aayog?

Which of the following is the main function of National Development Council in India?

From the following, who is not the part of the governing council of NITI Aayog?