He was the paternal uncle of M. Hamidullah Khan TJ, SH, BP who was a BDF Commander, Sector 11, 1971 War of Independence and public official.

Khan's course mate AVM A. K. Khandker Chief of Air staff of BAF post independence and secured his coursemate's release from the captive of Indian authorities and enrolled him to Ministry of Defense on deputation from Banglaresh Air Force.

Aminul Islam Khan was relieved of duty and dismissed from service after the 1977 hijack of Japan Airlines Flight 472 and the uprising to topple the government that ensued which was unsuccessful.

[1][2] Islam entered politics during the martial law of military dictatorship of H. M. Ershad, as a government minister for a short stint of one and a half years.

[citation needed] Khan was elected to parliament from Munshiganj-3 as a Jatiya Party candidate in 1986.