US Assistant Secretary of State for South and Central Asia, Robert Blake, now in New Delhi, said that Indian investigators will be allowed to interrogate David Headley. But he ruled out Headley’s extradition to India.<br/><br/>He said, US will not extradite Headley either to India or Pakistan or Denmark for the charges he has now admitted. He, however, left the option open on such a move in case more charges come up against him in the future.<br/>