It served as Sikkim 's capital beginning in 1642 for almost 50 years until it was shifted to Rabtense .
West Sikkim is the site of the ancient state capital Yuksom .
West Sikkim served as West Sikkim 's capital beginning in 1642 for almost 50 years until West Sikkim was shifted to Rabtense .
West Sikkim is the site of the ancient state capital Yuksom .