Hundreds of Afghan residents were under the threat of the Taliban after working with the British hiding after not receiving assistance from the British government, according to the former weapon boss.
General Sir John McColl, who served in Afghanistan, said the ministers had to "feel very ashamed" because "not giving" a promise to help Afghanists who work with NATO.
According to the Ministry of Defense, more than 9,000 Afghan residents and their dependents have been moved so far.
Home Office previously said that up to 20,000 Afghan citizens would be given a safe road to be re -settled in England.
Speaking to Newsnight BBC Two, General McColl said he wanted to tell Boris Johnson: "We made a commitment to look after these people, you made a commitment, you did not deliver it, so put the system in a place that did convey him. This is a terrible situation .
He added that there were "unforgivable delays" in processing applications for residential programs.
General who has now retired as a former British special envoy to Afghanistan in 2005, and is the highest deputy commander of the allies in Europe for NATO from 2007 to 2011.The scheme that has been criticized includes the relocation of Afghanistan and Assistant Policy Scheme (Arap) which was launched in April 2021.
This allows those who have worked for the British government in Afghanistan after 2001 to apply for relocation.
He asked the defense selected committee to investigate the Arap scheme so that the application can be handled quickly.
