The viva-voce examination on the Ph. D thesis entitled Accumulation and translocation of heavy metals in vegetables grown on irrigated land around industrial areas of narayanganj, Bangladesh was defended by Tawfeequa Rahman held on July 08, 2025 at 10:30 am at the office of Director, Institute of Environmental Science, University of Rajshahi, Rajshahi-6206, Bangladesh. Supervisor Professor and Director Dr. Md. Golam Mostafa, Institute of Environmental Science, University of Rajshahi.