Hence, when boundary negotiations began with China in the late 1950s, the Sikkim-Tibet frontier was deemed by the Indian side to be a part of the agenda for the India–China boundary talks. In 1956, Chinese Premier Zhou Enlai acknowledged the special relations that India had with Sikkim, but subsequently avoided any discussion with India on the Tibet–Sikkim boundary during the border talks in the late 1950s and in the official level talks in 1960.
