Explanation:

- The Meghalaya Plateau is a part of the Indian Peninsular Plateau region.

- It comprises mainly the Khasi Hills, Jaintia Hills, and Garo Hills.

- The Khasi Hills are located in central Meghalaya and are known for their biodiversity.

- Jaintia Hills, located to the east of Khasi Hills, are famous for their cultural heritage.

- Garo Hills, located in the western part of Meghalaya, are rich in flora and fauna.

- Palamu Hills are located in the state of Jharkhand and are not part of the Meghalaya Plateau.

- Correct Answer: Option 1 - Palamu Hills