Assam is surrounded by six of the other Seven Sister States: Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura and Meghalaya. It also shares international borders with Bhutan and Bangladesh.

Correct Option: B

Assam is surrounded by six of the other Seven Sister States: Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura and Meghalaya. It also shares international borders with Bhutan and Bangladesh.

Located in northeast India, Arunachal Pradesh borders the states of Assam and Nagaland to the south, and shares international borders with Bhutan in the west, Myanmar in the east and the People's Republic of China (PRC) in the north.

Correct Option: A

Located in northeast India, Arunachal Pradesh borders the states of Assam and Nagaland to the south, and shares international borders with Bhutan in the west, Myanmar in the east and the People's Republic of China (PRC) in the north.

Sikkim is a landlocked Indian state located in the Himalayan mountains. The state borders Nepal to the west, China's Tibet Autonomous Region to the north and east, and Bhutan to the southeast. The Indian state of West Bengal lies to the south.

Correct Option: B

Sikkim is a landlocked Indian state located in the Himalayan mountains. The state borders Nepal to the west, China's Tibet Autonomous Region to the north and east, and Bhutan to the southeast. The Indian state of West Bengal lies to the south.

Meghalaya is bounded on the north by Assam and by Bangladesh on the south.

Correct Option: C

Meghalaya is bounded on the north by Assam and by Bangladesh on the south.

Meghalaya is bounded on the north by Assam and by Bangladesh on the south.

Correct Option: D

Meghalaya is bounded on the north by Assam and by Bangladesh on the south.