There are also differences between India and China on interpretation of the watershed boundary in this sector. "China has been taking advantage of Bhutan's inability to counter them by repeatedly making incursions and widening Chumbi Valley, which is a concern to India. India is currently in a strategically advantageous position in the Chumbi Valley, but the Chinese want to change that on the ground, hence the repeated jostling. "India should not allow Chinese roads to be built to Chumbi valley. Chinese construction of the road project is legitimate and normal action on its territory.

Source: Times of India June 28, 2017 19:22 UTC