The public defence of Mr. Abdul Shakeel under the supervision of Dr. Hamid Khan was held in the conference room at Peshawar Campus on 12th of November 2021 at 2:30 pm. The defence was attended by internal and external audiences with great interest. The title of the thesis was "Comprehensive Analysis of Unsteady Flows". The examination committee thoroughly examined the thesis and cross-questioned the candidate on different aspects of the research. The candidate successfully defended his thesis and published two research articles from his thesis in the international reputed journals of the field.