Explanation:

- The Brahmaputra is a major river in Asia, flowing through Tibet, India, and Bangladesh.

- Jamuna: After the Brahmaputra joins with the Tista river, it is known as Jamuna in Bangladesh. The Jamuna is one of the main distributaries of the Brahmaputra River.

- Padma: This is the main distributary of the Ganges in Bangladesh. It's formed by the confluence of the Ganges and Jamuna (Brahmaputra).

- Meghna: This is a major river in Bangladesh formed by the confluence of the Surma and Kushiyara rivers.

- Dihang: It's the name of the Brahmaputra in its upper reaches in the Arunachal Pradesh region of India before it enters Assam.

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