The Brahmaputra River, known as the Siang in Arunachal Pradesh, is a major source of:

The correct answer is: d) All of the above

The Brahmaputra River is a major source of irrigation, hydropower potential, and navigation.

• Irrigation: The Brahmaputra River is used to irrigate crops in the Brahmaputra Valley. The river’s water is diverted through canals and ditches to fields where it is used to water crops. Irrigation is essential for agriculture in the Brahmaputra Valley, as the region receives very little rainfall.
• Hydropower potential: The Brahmaputra River has a large hydropower potential. Several dams have been built on the river to generate electricity. The dams also help to control flooding and improve navigation.
• Navigation: The Brahmaputra River is a major transportation route in the Brahmaputra Valley. The river is used to transport goods and people. The river is also a popular tourist destination.

The Brahmaputra River is a vital resource for the people of the Brahmaputra Valley. The river provides water for irrigation, hydropower, and navigation. The river is also a popular tourist destination.