13.
Which of the following statements is incorrect:

14.
Which constitutional amendment is relevant to the goods and services tax?

15.
In which case, the Supreme Court has observed that "Social morality also changes from age to age"?

16.
Which one of the following is not within the purview of the functions of Public Service Commissions?

17.
According to Article 50, the state Shall take steps to;

18.
Which one of the following statements is not correct?