Jaishankar said the US is today a much more flexible partner, much more open to ideas, suggestions and working arrangements than in the past.
The move, which was approved by the Union home ministry, comes amid a military standoff with China in the eastern Ladakh area.
While India-China border disputes cover 3,488-km along the Line of Actual Control, the China-Bhutan dispute covers about 400 km.
CDS General Bipin Rawat said India's relations with Bhutan and Nepal have always been robust and any issues with these countries have been addressed in a positive manner.
Danger to stability in South Asia due to China's ambitions, Sino-Pak nexus 'anti-Indian': CDS General Bipin Rawat
General Bipin Rawat said that there is omnipresent danger to the stability of South Asia due to China's ambitions for power at the global level.
General Bipin Rawat said India faces a myriad of external security challenges and most worrisome are China's technological advances in the cyber and space domains.
Another senior official said that the tunnel will help in quicker movement of troops and weapons and it has strategic significance.
ndia and China have had a number of rounds of talks and as a result of those talks, we have been able to achieve a fair amount of disengagement.
India hopes China will work with it to bring satisfactory resolution to current issues: Foreign Secretary
Shringla talked about the issues of concerns in the Sino-India trade relationship such as the widening trade deficit and increase in trade barriers.
Eastern Army Commander Lt.Gen.Manoj Pande asserted that the Indian preparedness to respond to any contingency is of a very high order.
India giving major push to infrastructure development for quick mobilisation of troops in Arunachal sector
The major road projects include construction of a road from Zero Point near Tenga to Itanagar and another one called Western Axis road from Shergaon to Tawang.
Our emerging commitment to the Indo-US strategic partnership provides insufficient support for our dilemma in dealing with both China and Pakistan at the land borders.
India ramped up its overall deployment along the nearly 3,400-km-long LAC besides speeding up infrastructure development to gain a tactical advantage.
China's 'provocative behaviour' disturbed peace in eastern Ladakh: India; rejects fresh Chinese comments on Galwan
Reacting to the Chinese remarks, External Affairs Ministry Spokesperson Arindam Bagchi also said Chinese actions have impacted bilateral relations.
Peace in border areas important, but it is not the 'whole story' of bilateral ties: Chinese envoy amid Ladakh standoff
Sun Weidong said China and India should enhance mutual trust, strengthen dialogue and properly handle differences and not allow them to become disputes.