The viva-voce examination on the Ph. D thesis entitled “ASSESSMENT OF MICROPLASTICS POLLUTION IN SURFACE WATER AND ITS IMPACTS ON FISHES”  was defended by Md. Ohidur Rahman held on May 13, 2026 at 12:30 pm at the office of Director, Institute of Environmental Science, University of Rajshahi, Rajshahi-6206, Bangladesh. Principal Supervisor Professor Dr. Md. Golam Mostafa, Institute of Environmental Science , University of Rajshahi, Co-Supervisor (1)  Professor Dr. Md. Sultan-Ul-Islam, Department of Geology & Mining, University of Rajshahi, (2) Professor Dr. Shahed Zaman, Department of Chemistry, University of Rajshahi.