Serious concerns are being expressed by the Indian military over massive construction by China in the Amo Chu river valley in Bhutan. It is barely some distance from the India-China-Bhutan Doklam tri-junction, the site of an intense military stand-off between India and China in 2017 over construction of a road by Beijing. South Block-based Indian military observers are unclear if all of this suggests that Bhutan may be willing to hand over to China territories it has lost on its western frontier in an effort to retain areas in the north