London, May 28 : President Barack Obama has nominated distinguished scholar and former Democratic congressman Timothy Roemer of Indiana to be America's new Ambassador to India.

Roemer served on the blue-ribbon commission investigating the Sepetmber 11, 2001 terror attacks on the United States and on a key committee to prevent nuclear proliferation.

He endorsed Obama during his primary campaign and was a strong advocate of Obama's foreign policy approach.

The White House also announced a raft of top diplomats in capitals from Tokyo to Paris. The group fills many of the highest profile jobs in the Foreign Service and will be crucial representatives of Mr Obama and his State Department with US allies.

Obama appointed Louis Susman, a retired vice chairman of Citigroup Corporate and Investment Banking as British envoy.

The White House also announced it plans to nominate Miguel H. Diaz, an associate professor of theology at the College of Saint Benedict and Saint John''s University in Collegeville, Minnesota, for the top job at the Vatican, The Telegraph reported.

To other capitals, Obama planned to nominate Charles Rivkin, an outside homeland security adviser, to France.

He named John Roos, Internet and biotechnology lawyer, as the United States' top diplomat to Japan.

Obama also named Patricia Butenis, a career diplomat who has previously been posted in Baghdad, Pakistan and New Delhi, as ambassador to Sri Lanka and the Maldives. (ANI)