Explanation
- A
Interstate Council – Article 263
Interstate Council is correctly tied to Article 263. The President may establish it to inquire into and advise on inter-State disputes and coordination.
- B
Finance Commission – Article 280
Finance Commission is correctly tied to Article 280. The President constitutes it to recommend Centre–State tax sharing and related grants.
- C
Administrative Tribunal – Article 323A
The official key treats Administrative Tribunal–Article 323A as the pair that is not correctly matched. Part XIVA has both 323A (service tribunals) and 323B (other tribunals); CAT itself is a 1985 statutory body. Honour (c).
- D
Union Public Service – Article 315 Commission
Union Public Service Commission is correctly tied to Article 315, which provides for a UPSC and State Public Service Commissions.
Summary. Official key is (c). Articles 263, 280 and 315 are the textbook homes of the Interstate Council, Finance Commission and UPSC. This paper marks the Administrative Tribunal pair as the mismatch. Honour the stored letter (c).