The settlement at Darjeeling really began in 1828 with British interest. By 1835, it was separated from Sikkim for establishing a Sanatorium for the invalided servants of the East India Company.
Planning began in 1839, to lay out the Darjeeling town and constructthe Hill Cart Road connecting Siliguri, Pankhabari, Kurseong and Darjeeling. By 1840, Darjeeling town had about 30 buildings and a few respectable hotels.
Nestled in the lap of the Eastern Himalayas, Sikkim a former Himalayan Kingdom joined as the 22nd state of India on the 16th May 1975. Prior to 1975 Sikkim was ruled by the Chogyals of the Namgyal dynasty, the lineage dating back to 333 years.
The first ruler of Sikkim Chogyal Phuntshok Namgyal was consecrated king in 1642 at Narbugang, Yuksom in West Sikkim.