Correct option is D
The correct answer is (d) West Bengal.
· West Bengal is the only Indian state that shares its boundary with the state of Sikkim. Sikkim is a landlocked state in the northeastern part of India, bordered by West Bengal to the south.
· The state of Sikkim is also bordered by Bhutan to the east, Nepal to the west, and the Tibet Autonomous Region of China to the north.
Information Booster:
· Assam: Borders states like Arunachal Pradesh, Nagaland, Manipur, and Mizoram but does not share a boundary with Sikkim.
· Mizoram: Located further south in the northeastern region, sharing borders with Assam, Manipur, and Tripura, but not with Sikkim.
· Odisha: A coastal state located in the eastern part of India, does not share any boundary with Sikkim.