US Secretary of State Hillary Clinton and Prime Minister Manmohan Singh discussed the coming visit of US President Barack Obama to India on the sidelines of the East Asia Summit in Vietnam on Saturday.
They both expressed "satisfaction" at the state of preparations for the visit, said National Security Advisor Shivshanker Menon.
The two also discussed the situation in the region, with Clinton expressing the US's determination to continue to pursue its interests in Afghanistan.
India described its activities in Afghanistan, notably its reconstruction efforts in the country.
The two countries agreed to work on how they could take their nuclear relationship forward. India explained its practical discussions with the International Atomic Energy Agency.
"There was a general discussion on counterterrorism," said Menon.The two met for 45 minutes.
Singh himself told the press about Obama's visit that "India-US relations have entered a new plane of cordiality and understanding."
The two share a desire to being about a quantitative change in relations, said Singh. The two sides needed to explain their interests and explore if there were any "coomonalities."