Multiple choice Which one of the following groups of Indian of state has a common frontier with Bhutan? Assam, Bihar, Sikkim and West Bengal Bihar, Meghalaya, Sikkim and West Bengal Arunachal Pradesh, Meghalaya, Sikkim and West Bengal Arunachal pradesh, Assam, Sikkim and West Bengal Reveal answer Fill a bubble to check yourself D Correct answer Explanation Bhutan shares borders with four Indian states: Arunachal Pradesh, Assam, Sikkim, and West Bengal. Bihar does not border Bhutan, and Meghalaya borders Assam but not Bhutan directly.