Sultan Bashiruddin Mahmood(Urdu: سلطان بشیر الدین محمود‎; born 1940; SI), is a Pakistani nuclear engineer and a scholar on Islamic studies who was notoriously subjected for a criminal probe launched by the FIA on suspicions on unauthorized travel in Afghanistan prior to the deadliest terrorist attacks in the United States in 2001.Having spent a distinguish career in PAEC, he founded the Ummah Tameer-e-Nau (UTN) in 1999– a right-wing organization that was banned and sanctioned by the United States in 2001.