Washington, Aug 13 - The US is keeping New Delhi informed about its policies in Afghanistan-Pakistan region as it looks at India as a 'dominant power' in South Asia, a major factor in the region.

'The Indians are a major factor in the region. They are a dominant power,' US special representative for Pakistan and Afghanistan Richard Holbrooke said at a panel discussion on Af-Pak region organised by a Washington think tank Thursday.

'Improving US-India relations has been a continual goal of the last three administrations, all of whom have been successful in that regard, I think starting with President (Bill) Clinton's term,' he said.

India was outside his portfolio, Holbrooke said, but 'I am in constant touch with the embassy.