Q. Which of the following statements regarding Assam’s physiographic divisions is/are correct?

1. The Brahmaputra Valley is enclosed by the Eastern Himalayas to the north.
2. The Barak Valley is separated from the Brahmaputra Valley by the Barail Range.
3. The Karbi Plateau acts as a watershed between the two valleys.

Select the correct option from the codes given below:
Answer: 1, 2, and 3
Notes: The Brahmaputra Valley is bounded by the Eastern Himalayas to the north and the Patkai-Naga hills to the south-east. The Barak Valley in southern Assam is separated from the Brahmaputra Valley by the Barail Range. The Karbi Anglong Plateau serves as a watershed between these two major valleys, influencing drainage patterns and regional climatic variation. All statements correctly depict Assam’s physiographic framework.