The British political officer F. M. Bailey, who travelled through Tibet in 1912–1913, observed a "main Himalayan range" that runs from the high peaks of Namcha Barwa in an unbroken line till Tulung La.

One of the three rivers, Gorjo Chu, comes from the southeast, providing an alternative route into the West Kameng district via Tse La.

But China withdrew to the former positions at the end of the war, declaring that it would work on the border settlement through negotiations.

The Chinese border troops fired on an Indian patrol belonging to Assam Rifles, killing four out of the six men.

China denied the claim, and blamed the Indian troops who were said to have entered Chinese territory and initiated the clash.

[11][12][13] The Indian military officer who went to receive the bodies a week later, opined that the soldiers were likely not killed in the shooting, but were subsequently tortured to death.

[14] In November 2020, the Chhetri War Memorial was set up at Tulung La to commemorate the slain soldiers, inaugurated by the Arunachal Pradesh chief minister Pema Khandu.