A Platoon-strength contingent of China's People's Liberation Army(PLA) came 10 km inside the Indian territory in Burthe in DBO sector, which is at an altitude of about 17,000 feet, on the night of April 15 and established a tented post there, according to highly placed sources, which said that a Chinese Army Platoon usually consists of around 50 men.

2 Troops from Indo-Tibetan Border Police(ITBP) have also established a camp approximately 300 metres opposite the location, the sources said. ITBP has asked for a Flag meeting with the Chinese side but there has been no response as of now, sources said.