Gangtok,September 11, 2007:The Road links to the tiny state of Sikkim, which borders China, remained disrupted as a large stretch of the main highway connecting the state with rest of the country continue to suffer from landslides and flooding . The National Highway 31A that connects Siliguri to Sikkim was once again closed today following fresh landslides at 19th Mile between Singtam and Rangpo .