Which of the following states does not share border with Assam?

The correct answer is option 2. Key Points Sikkim does not share a border with Assam. Assam shares borders with Nagaland, Mizoram, and West Bengal, but Sikkim is located to the north of West Bengal and does not share a direct border with Assam. Assam shares borders with Nagaland, Mizoram, West Bengal, Arunachal Pradesh, and Meghalaya. Sikkim is a small state bordered by West Bengal, Bihar, Nepal, and Bhutan, but not by Assam. The geographical location of Sikkim places it slightly to the north of Assam, separated by West Bengal.