Explanation:

- Article 17: Abolishes "untouchability" and forbids its practice in any form. It is part of the fundamental rights under the Indian Constitution.

- Article 202: Relates to the calculation and presentation of the annual financial statement in states.

- Article 143: Allows the President to seek the Supreme Court's opinion on questions of law or fact of public importance.

- Article 27: Prohibits the use of any tax proceeds to promote or maintain any particular religion.