Longju or Longzu[1] (Tibetan: གླང་བཅུ, Wylie: glang-bcu; Chinese: 朗久; pinyin: Lǎngjiǔ) is a disputed area[b]
in the eastern sector of the China–India border, controlled by China but claimed by India. The village of Longju is located in the Tsari Chu valley 2.5 kilometres (1.6 mi) south of the town of Migyitun, considered the historical border of Tibet.[5] The area of Longju southwards is populated by the Tagin tribe of Arunachal Pradesh.
India had set up a border post manned by Assam Rifles at Longju in 1959, when it was attacked by Chinese border troops and forced to withdraw. After discussion the two sides agreed to leave the post unoccupied.[6] India established a new post at Maja,[c]
three miles to the south of Longju,[9]
but continued to patrol up to Longju.[10]
After the 1962 Sino-Indian War, the Chinese reoccupied Longju and brushed off Indian protests.[10]
Since late 1990s and early 2000s, China has expanded further south, establishing a battalion post at erstwhile Maja.[11][12]
In 2020, China built a 100-house civilian village close to this location in disputed territory.[10][12]
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Johri 1965, pp. 253–254: "The Government of India took steps to establish a new post in the south of Longju. A platoon of the Assam Rifles under Captain Mitra established a post at Maja, three miles in the south of Longju."
Kaul 1967, p. 232: "This gallant officer [Captain Mitra], however, established our post at Maja instead, about six miles South of Long-ju (and about three miles or less as the crow flies)."
^ ab
Prabin Kalita, Pentagon-cited China village a PLA camp: Arunachal official, The Economic Times, 7 November 2021. "The mountainous area where structures built by the PLA now stands used to be the last post of the Indian Army until the 1962 War. Back then, the post was called Maza Camp."