The correct answer to the question is option 2, Sikkim. Kanchenjunga, also known as Kangchenjunga, is a mountain located in the eastern Himalayas. It is the third highest mountain in the world with an elevation of 8,586 meters (28,169 feet).
Option 1, Nepal, is incorrect. While Nepal is known for its majestic mountains, including Mount Everest, Kanchenjunga is not located in Nepal.
Option 3, West Bengal, is also incorrect. West Bengal is a state in eastern India, but Kanchenjunga is not situated there.
Option 4, Himachal Pradesh, is also incorrect. Himachal Pradesh is a state in northern India, but Kanchenjunga is not located there either.
Therefore, the correct answer to the question is option 2, Sikkim, as Kanchenjunga is situated in the Indian state of Sikkim, which is nestled in the eastern Himalayas.