Explanations:The Brahmaputra River is one of the major rivers in South Asia, originating in the Tibetan Plateau and flowing through the Indian states of Arunachal Pradesh, Assam, and West Bengal, before entering Bangladesh. In Arunachal Pradesh, the Brahmaputra River is known by the name Siang. This name change reflects the local nomenclature and the cultural significance of the river in the region.
The Brahmaputra River, as it enters India, is known by different names in different states. In Arunachal Pradesh, it is called Siang, which is the local name for the river. The Siang River is a major tributary of the Brahmaputra and is considered the main channel of the Brahmaputra in this region. The river plays a significant role in the geography, economy, and culture of Arunachal Pradesh.
It is important to note that the Brahmaputra River changes its name in different regions. For example, in Tibet, it is known as the Yarlung Tsangpo, and in Assam, it is known as the Brahmaputra. The name Siang is specific to the upper reaches of the Brahmaputra in Arunachal Pradesh.
The Kameng River, mentioned in the options, is a different river altogether. It is a tributary of the Brahmaputra and flows through the western part of Arunachal Pradesh. The Kameng River is not the same as the Brahmaputra, and it does not change the name of the Brahmaputra in this region.
Understanding the names of rivers in different regions is crucial for geographical knowledge and for exams that test regional geography. The Brahmaputra River, known as Siang in Arunachal Pradesh, is a key geographical feature of the state and is often a topic in competitive examinations such as the UPSC, SSC, and State PSC.