The correct answer is: c) China (Tibet)
The Brahmaputra River is the longest river in India and the third longest river in Asia. It originates in the Himalayas in Tibet and flows through India, Bangladesh, and Bhutan. The river is a major source of water for irrigation and hydroelectric power. It is also a popular tourist destination.
Option a) Nepal is incorrect because the Brahmaputra River does not enter India from Nepal. The river enters India from Tibet.
Option b) Bangladesh is incorrect because the Brahmaputra River does not enter India from Bangladesh. The river enters India from Tibet and flows through Bangladesh before emptying into the Bay of Bengal.
Option c) China (Tibet) is correct because the Brahmaputra River originates in the Himalayas in Tibet.
Option d) Bhutan is incorrect because the Brahmaputra River does not enter India from Bhutan. The river enters India from Tibet and flows through Bhutan before entering India.