Washington: The United States has said it is expecting smooth changeover of the government in Nepal after the resignation of its current Prime Minister Jhalanath Khanal.

"The information we have is that this resignation was expected, and we have every expectation that there will be a smooth government change in keeping with Nepal’s constitution," said State Department spokesperson Victoria Nuland.

Nepal's caretaker Prime Minister Khanal had resigned on August 14 succumbing to intense pressure from Nepali Congress and the Maoists.

President Ram Baran Yadav has given all parties an August 21 deadline to form the next government through consensus.