The unusual thing about the South Asia Tri-Nation Office was that it was no longer located within Nepal, Sikkim, or Bhutan, but in Darjeeling, British India.
The reason was transportation. The British had built railways in Darjeeling, and Darjeeling's railways had been completed in the previous century, making them among the earliest railways in British India.
At the same time, large numbers of British officials, Indian aristocrats, and high-caste Indians vacationed here every year, so the infrastructure was quite complete.
Moreover, according to the treaty Sikkim and Britain had signed in the Early 19th century, the Sikkim government was not permitted to allow Europeans or North Americans to reside in Sikkim. By the end of the 19th century, Britain had gone a step further, forcing the Sikkim government to sign a new treaty banning it from conducting diplomatic activities with other countries.
Nepal, Bhutan, and Sikkim were all in much the same situation. Since Darjeeling had been seized by British India, there were no such concerns there.
Now that Charsson had arrived and intended to move the entire office into Sikkim, it could be considered, in a sense, "leaving Europe to enter Africa," while also evading British law.
After all, judging by Sikkim's economic conditions and level of development, it was inferior even to certain backward African countries. Its so-called royal capital might not have differed much from a somewhat larger village, and obtaining supplies of all kinds was difficult.
Take electricity, for instance. It was basically nonexistent. This also meant that Charsson's future office would need to provide its own generators, wireless telegraph equipment, and other facilities if it wished to contact the mainland.
As for how to bypass British restrictions and enter Sikkim, that was no difficult matter for the East African government. After all, obtaining British identities