From Kangchenjunga the Singalila Ridge slopes down southward forming the border between India and Nepal.
It continues south and south-east through Tunglu and Senchal and other spurs that form the Darjeeling Hills west of the Teesta.
To the east of the Teesta, a lofty ridge runs south of Dongkya, bifurcating at Gipmochi 11,518 ft (3,511 m), forming two spurs that contain the valley of the Jaldhaka.
[10] Gram panchayats in Kalimpong I CD block are: Bhalukhop, Bong, Dr. Graham’s Homes, Dungra, Kafer Kanke Bong, Kalimpong, Lower Echhay, Neembong, Pabringtar, Putur, Samalbong, Samthar, Seokbir, Sindepong, Tashiding, Tista and Yangmakum.
[11] According to the 2011 Census of India, the Kalimpong I CD block had a total population of 74,746, of which 67,957 were rural and 6,789 were urban.
[12] See also – List of West Bengal districts ranked by literacy rate Primary Census Abstract Data
In the 2011 census, Hindus numbered 43,903 and formed 58.74% of the population in the Kalimpong I CD block.
[16] According to a World Bank report, as of 2012, 4-9% of the population in Darjeeling, North 24 Parganas and South 24 Parganas districts were below poverty level, the lowest among the districts of West Bengal, which had an average 20% of the population below poverty line.
It includes factory, mining, plantation, transport and office workers, those engaged in business and commerce, teachers, entertainment artistes and so on.
[20] There are 43 inhabited villages in the Kalimpong I CD block, as per the District Census Handbook, Darjiling, 2011.
31 villages (72.09%) have telephones (including landlines, public call offices and mobile phones).
[21] In 2012-13, there were 3 fertiliser depots, 3 seed stores and 36 fair price shops in Kalimpong I CD block.
The average annual production including those from the plain areas, exceeds 10 million kg.
[25] There is 4 x 40 MW hydroelectric power generation at Teesta Low Dam - IV Hydropower Plant near Kalijhora.
[26] The Teesta Low Dam - III Hydropower Plant near Rambi Bazar produces 132 MW of hydel power.
Kalimpong I CD block had 207 institutions for special and non-formal education with 6,859 students.