Why is it in the news?

• Excessive rainfall, attributed to climate change, has led to unprecedented alterations in the trajectory of the Jiadhal River.

 About Jiadhal River

• The Jiadhal River is located in the Indian state of Assam, primarily flowing through the Dhemaji district.
• It originates from the hills of Arunachal Pradesh, a state in northeastern India.
• After originating in Arunachal Pradesh, the Jiadhal River flows through the Dhemaji district of Assam. It takes the name Kumotiya River from Gogamukh. Eventually, it merges with the Subansiri River, which is a major tributary of the Brahmaputra River.
• The Jiadhal River is a northern sub-tributary of the Brahmaputra River. Its confluence with the Subansiri River adds to the flow of the Brahmaputra.
• The Jiadhal River is notorious for causing heavy damage due to annual floods and erosion in the Dhemaji district. It is often referred to as the “Sorrow of Dhemaji” due to the devastation it brings to the region.