Detailed Explanation:

✅ Option 1 – Correct: Forms of oath are prescribed in the 3rd Schedule of the Constitution (for Ministers, MPs, Judges, etc.).

✅ Option 2 – Correct: Allocation of seats in the Council of States (Rajya Sabha) is detailed in the 4th Schedule.

❌ Option 3 – Incorrect: Administration of scheduled areas is governed by the 5th Schedule, not the 6th. The 6th Schedule deals with administration of tribal areas in Assam, Meghalaya, Tripura, and Mizoram through Autonomous District Councils.

✅ Option 4 – Correct: The Union List is part of the 7th Schedule, which contains three lists (Union, State, Concurrent).