Explanation:
The correct answer is option B: 6th Schedule – Scheduled Areas.

6th Schedule – Scheduled Areas
- The 6th Schedule of the Constitution of India deals with the administration of tribal areas in the states of Assam, Meghalaya, Tripura, and Mizoram.
- It provides for the establishment of autonomous district councils (ADCs) in these areas, which have the power to make laws on various subjects such as land, forests, and local government.
- The ADCs are given wide-ranging powers to govern these areas and protect the interests of the tribal communities residing there.
- The provisions of the 6th Schedule are aimed at promoting self-governance and safeguarding the rights and culture of the tribal communities.

9th Schedule – Acts beyond Judicial Review
- The 9th Schedule was added to the Constitution by the 1st Amendment Act, 1951.
- It contains a list of laws that are immune from judicial review, i.e., they cannot be challenged in court on the grounds of violating fundamental rights.
- The purpose of the 9th Schedule is to protect laws that are enacted for implementing social and economic reforms.
- However, the Supreme Court has held that even laws included in the 9th Schedule can be subjected to judicial review if they violate the basic structure of the Constitution.

8th Schedule – Languages
- The 8th Schedule of the Constitution lists the official languages recognized by the Indian government.
- Currently, there are 22 languages listed in the 8th Schedule, including Hindi, Bengali, Telugu, Marathi, Tamil, Urdu, and others.
- These languages are recognized for the purposes of communication between the central government and the states, and for conducting business in Parliament and other official functions.

3rd Schedule – Oaths
- The 3rd Schedule of the Constitution deals with the forms of oaths or affirmations that various officeholders are required to take.
- It includes oaths for the President, Vice-President, Governors, Judges, and other high-ranking officials.
- These oaths affirm their allegiance to the Constitution and their commitment to uphold the values and principles enshrined in it.

In conclusion, the incorrect provision mentioned in the question is option B: 6th Schedule – Scheduled Areas. The 6th Schedule actually deals with the administration of tribal areas and the establishment of autonomous district councils, not scheduled areas.