A correction.
China claims upto finger 2 and India claims upto finger 8. I am going to edit my earlier comment too.
So lets understand using maps what this conflict is all about.
According to widely quoted expert by Indians, Nathan Ruser, until May, the PLA didn’t have positions within the valley, despite several kilometres being on the China-controlled side of the LAC. However, recently established Indian positions closer to the LAC, and the construction of a road to supply these positions, appears to have prompted the PLA to establish a number of significant positions and move up to 1,000 soldiers into the valley.
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Image credit:
https://www.aspistrategist.org.au/