The district was formed when Subansiri district was bifurcated into Upper and Lower Subansiri districts in 1987.[2] Lower Subansiri district has a long ancient history related with the Chutiya Kingdom. It was probably under Chutiya chieftain rule from a long time, and came under Birpal's rule in the 12th century. In 1999 Papum Pare district was split to form new district,[2] and this was repeated on 1 April 2001, with the creation of Kurung Kumey district.[2]
In October 2017, the state government approved the creation of Kamle district, involving the carving out of Raga, Dolungmukh and Kumpurijio circles from Lower Subansiri district.[3] In 2024, the Keyi Panyor district was formed by carving out 195 villages from Lower Subansiri district.[4]
Geography
The district headquarters are located at Ziro. The district occupies an area of 3,460 km2.
There are 6 administrative circles in this district, namely, Ziro (Sadar), Yachuli, Pistana, Raga, Kamporijo and Dollungmukh. The district also divided into 3 blocks: Ziro-I, Ziro-II, and Tamen-Raga. [citation needed]
According to the 2011 census Lower Subansiri district has a population of 83,030,[7] roughly equal to the nation of Andorra.[8] This gives it a ranking of 623rd in India (out of a total of 640).[7] The district has a population density of 24 inhabitants per square kilometre (62/sq mi) .[7] Its population growth rate over the decade 2001–2011 was 48.65%.[7] Lower Subansiri has a sex ratio of 975 females for every 1000 males,[7] and a literacy rate of 76.33%.[7]
Gyati Takka General Hospital (GTGH) in Lower Subansiri district has become the first hospital in the state of Arunachal Pradesh to receive support from CHD Group in its effort to build robust health system for the North East Region. [11][12]
^M. Paul Lewis, ed. (2009). "Apatani: A language of India". Ethnologue: Languages of the World (16th ed.). Dallas, Texas: SIL International. Retrieved 28 September 2011.
