The viva-voce examination on the Ph.D thesis entitled Impacts of Dyeing Effluents on Water at Cottage industrial Areas OF Sirajganj District IN Bangladesh was defended by Md. Zohurul Islam held on January 21, 2025 at 9:00 am at the office of Director, Institute of Environmental Science, University of Rajshahi, Rajshahi-6206, Bangladesh. Principal Supervisor Dr. Md. Golam Mostafa  Professor and Director Institute of Environmental Science University of Rajshahi and Co-Supervisor Dr. Md. Rashidul Hasan,Associate Professor and Head Department of Civil Engineering Bangladesh Army University of Engineering & Technology Qadirabad Cantonment, Natore.