Analysis of information sources in references of the Wikipedia article "Kongka Pass" in English language version.
防守于章图山南侧一独立小高地 (胜利山)。
In the western sector of the border, on 21 October 1959, a team of Indian troops crossed the traditional border at Kongka Pass, entering Chinese territory.
Chou had assured Nehru that the PRC was still using old KMT maps, not yet having had time to prepare their own... On 8 October 1958 the Indians protested to China that the [Sinkiang-Tibet road] traversed Indian territory, to which the PRC replied that the territory in question was Chinese.
The Chinese could not quote a single document confirming that the Kongka Pass constituted the boundary.... The thorough approach of the Indian side generally contrasted with an inconsistent and almost careless presentation by the Chinese officials.
Fighting gallantly nine men laid down their lives and ten were wounded. Later on, one of the injured also succumbed to his injuries. ... Seven men were taken Prisoners of War by PLA
(p22) Karam Singh of ITBF was assigned the task of establishing outposts near the Chinese Occupation Line ... "Hot Springs" was barely three Km far from the site where Chinese Army had intruded.
[Chinese interrogation of Karam Singh] We established a checkpost at Kayam and we had to establish one at Shamul Lungpa. On 20th October 1959, our two men missed. On the morning of 21st October 1959, Tyagi took 60 men and reached the hill (battle field). ... [Indian debriefing of Karam Singh] we had inadequate cover and the Chinese were in a favourable position ... five of us were made to carry the dead body of a Chinese soldier who had been killed.
Fighting gallantly nine men laid down their lives and ten were wounded. Later on, one of the injured also succumbed to his injuries. ... Seven men were taken Prisoners of War by PLA
(p22) Karam Singh of ITBF was assigned the task of establishing outposts near the Chinese Occupation Line ... "Hot Springs" was barely three Km far from the site where Chinese Army had intruded.