The viva-voce examination on the Ph.D thesis entitled TREATMENT OF TEXTILE DYEING EFFLUENTS USING COAGULATION-FLOCCULATION PROCESS COUPLED WITH ADSORPTION ON NANOPARTICLES was defended by Md. Abu Sayed held on October 21, 2024 at 10:00 am at the office of Director, Institute of Environmental Science, University of Rajshahi, Rajshahi-6206, Bangladesh. Supervisor Dr. Md. Golam Mostafa  Professor and Director Institute of Environmental Science University of Rajshahi .