Which of the following is NOT a constitutional body?

Q. Which of the following is NOT a constitutional body? 

(A) Election Commission
(B) Finance Commission
(C) National Advisory Council
(D) Law Commission

Answer: National Advisory Council

The National Advisory Council (NAC) of India was an advisory body set up by the first United Progressive Alliance (UPA) government to advise the Prime Minister of India. Sonia Gandhi served as its Chairperson for much of the tenure of the UPA.