TheKeseluruhan entireperbatasan SinoTiongkok-Indian borderIndia (includingtermasuk theLAC westernbagian LACbarat, thebagian smallkecil undisputedtidak sectionbersengketa indi thebagian centretengah, anddan theGaris MacMahon Linedi insebelah the easttimur) ispanjangnya 4,.056 km (2520 mi) longdan andmelintasi traverseslima fivebegara Indianbagian statesIndia: [[Jammu anddan Kashmir]], [[Uttarakhand]], [[Himachal Pradesh]], [[Sikkim]], anddan [[Arunachal Pradesh]].<ref>"[http://news.oneindia.in/2008/06/19/another-chinese-intrusion-in-sikkim.html Another Chinese intrusion in Sikkim]", OneIndia, Thursday, 19 June 2008. Accessed: 2008-06-19.</ref> On the Chinese side, the line traverses the [[Tibet Autonomous Region]]. The demarcation existed as the informal cease-fire line between India and China after the 1962 conflict until 1993, when its existence was officially accepted as the 'Line of Actual Control' in a bilateral agreement.<ref>{{cite web |url=http://www.stimson.org/research-pages/agreement-on-the-maintenance-of-peace-along-the-line-of-actual-control-in-the-india-china-border/ |title=Agreement On The Maintenance Of Peace Along The Line Of Actual Control In The India-China Border |author=<!--Staff writer(s); no by-line.--> |date= |website=stimson.org |publisher=[[The Stimson Center]] |access-date= |quote=}}</ref> However, Chinese scholars claim that the Chinese Prime Minister [[Zhou Enlai]] first used the phrase in a letter addressed to Indian Prime Minister [[Jawaharlal Nehru]] dated 24 October 1959.