<P> The Chinese minister, Zhou Enlai argued that the western border had never been delimited, that the Macartney - MacDonald Line, which left the Aksai Chin within Chinese borders was the only line ever proposed to a Chinese government, and that the Aksai Chin was already under Chinese jurisdiction, and that negotiations should take into account the status quo . </P> <P> In 1960, based on an agreement between Nehru and Zhou Enlai, officials from India and China held discussions in order to settle the boundary dispute . China and India disagreed on the major watershed that defined the boundary in the western sector . The Chinese statements with respect to their border claims often misrepresented the cited sources . </P> <P> In April 2013 India claimed, referencing their own perception of the Line of Actual Control (LAC) location, that Chinese troops had established a camp in the Daulat Beg Oldi sector, 10 km on their side of the Line of Actual Control . This figure was later revised to a 19 km claim . According to Indian media, the incursion included Chinese military helicopters entering Indian airspace to drop supplies to the troops . However, Chinese officials denied any trespassing having taken place . Soldiers from both countries briefly set up camps on the ill - defined frontier facing each other, but the tension was defused when both sides pulled back soldiers in early May . In September 2014, India and China had a standoff at the LAC, when Indian workers began constructing a canal in the border village of Demchok, and Chinese civilians protested with the army's support . It ended after about three weeks, when both sides agreed to withdraw troops . The Indian army claimed that the Chinese military had set up a camp 3km inside territory claimed by India . An article on the BBC website states that China gains territory with every incursion . </P> <P> In September 2015, Chinese and Indian troops faced - off in the Burtse region of northern Ladakh after Indian troops dismantled a disputed watchtower the Chinese were building close to the mutually - agreed patrolling line . </P>

Map of border dispute between china and india