The United States Friday made it clear that it was committed to implementing the path-breaking Indo-US nuclear deal without adding any conditions and hoped that modalities for resumption of nuclear supplies to Indian reactors will be in place before President George W Bush's [Images] visit by March.

• US Under Secretary Burns, Saran discuss nuke deal

On Iran's controversial nuclear programme, the US maintained that the issue could be referred to the United Nations Security Council if Tehran failed to come to the negotiating table with the European countries by Novenmber end.

• PM's US Tour

US Under Secretary of State Nicholas Burns after day-long talks with Foreign Secretary Shyam Saran on a range of issues including the Indo-US nuclear deal, said, "We are not adding any conditions. We Americans will meet the obligations we have undertaken" and hoped India will abide by its obligations.

Both of them said at a joint press conference that the two countries were committed to implementation of the July 18 understanding reached in Washington between Prime Minister Manmohan Singh [Images] and President Bush on civilian nuclear cooperation, but acknowledged that it was a "very complex" and "complicated" issue.

• The Iran vote and after

To questions on the Iran issue, Burns bluntly stated that if Tehran does not get back to negotiations with European countries, the November 24 meeting of the International Atomic Energy Agency would vote against it leading to the issue being referred to the UN Security Council, a move India is trying to avert.