The US has taken off four DRDO laboratories from its Entity List revoking the ban on technology transfer to them. This follows President Barack Obama's promise during his visit to the country last month.DRDO Chief Controller for Research and Development S Sundaresh told reporters in New Delhi today that DRDO labs, including the Armament Research and Development Establishment were blacklisted by the US in the aftermath of the 1998 nuclear tests by India. He said the sanctions have been lifted. The four labs are now placed in another section on par with some European nations to whom latest, critical technologies can be transferred. He said they will now get more, latest technology.