The US will send two of its top diplomats to New Delhi this week to prepare for President Barack Obama's maiden visit next month. Less than three weeks ahead of Obama's visit, Under Secretary of State for Political Affairs William Burns and the Assistant Secretary of State for South and Central Asia, Robert Blake, are scheduled to be in New Delhi later this week to hold wide range of talks with top Indian officials on issues related to Presidential visit. They would be travelling to New Delhi to give final shape to the agenda of the Obama's India sojourn in the first week of November. While the dates of the trip has not been announced yet, Obama is expected to be in India from 5th to 9th November; thus making it his longest overseas stay in a country as President of the United States. Accompanied by the First Lady, Michelle Obama, this would be his first ever visit to India. Officials said in Washington that the Burns-Blake visit, is likely to be the last major top level visit of US