Consider the following statements regarding the Dhansiri River in Northeast India: I. It originates in the Naga Hills and eventually joins the Brahmaputra River system. II. The river flows through parts of Nagaland and Assam, forming an important drainage channel of the region. III. In certain stretches, the river valley helps demarcate sections of the boundary between Karbi Anglong (Assam) and Nagaland. Which of the statements given above are correct?

The correct answer is Option D. Key Points The Dhansiri River is an important river in Northeast India , forming part of the Brahmaputra river system . The Dhansiri River originates in the Naga Hills region and flows northward before joining the Brahmaputra River . Hence, Statement I is correct. The river flows through Nagaland and Assam , forming an important drainage channel and agricultural resource in the region . Hence, Statement II is correct. In certain stretches, the Dhansiri river valley forms part of the boundary between the Karbi Anglong district of Assam and Nagaland , giving it geographical and administrative significance. Hence, Statement III is correct. Thus, all three statements are correct → Option D. Additional Information The Dhansiri River has two major branches: • North Dhansiri , which flows into the Brahmaputra in Assam. • South Dhansiri , which flows into the Doyang River . The river basin supports agriculture, wetlands, and forest ecosystems , and parts of the region lie near the Kaziranga National Park , known for its rich biodiversity.