The correct answer is Article 131.

• Recently, the Kerala government filed a civil lawsuit in the Supreme Court (SC) challenging the Citizenship Amendment Act (CAA) 2019, under the provisions of Article 131 of the Indian Constitution.

Article-131

• The Supreme Court has Original jurisdiction to decide the disputes arising between different units of the Indian Federation like:
  • Centre and one or more states; or
  • Centre & any state(s) on one side and one or more states on the other; or
  • Two or more states.

Article 368

• Article 368 in Part XX of the Constitution deals with the power of parliament to amend the constitution and its procedures.

Article 23

• Article 23 deals with the prohibition of traffic in human beings and forced labour. 

Article 17

• Article 17 deals with the abolition of Untouchability.
• "Untouchability" is abolished and its practice in any form is forbidden.
• The enforcement of any disability arising out of "Untouchability" shall be an offence punishable in accordance with the law.