The viva-voce examination on the M. Phil thesis entitled ARSENIC IN GROUNDWATER OF CHAPAINAWABGONJ DISTRICT OF BANGLADESH: MACHINE LEARNING SPATIAL PREDICTION MODELING  was defended by Mst. Fatima Khatun held on July 08, 2025 at 12:30 pm at the office of Director, Institute of Environmental Science, University of Rajshahi, Rajshahi-6206, Bangladesh. Principal Supervisor Professor Dr. Golam Shabbir Sattar, Department of Geology & Mining, University of Rajshahi and Co-Supervisor-  Professor Dr. A. H. M. Selim Reza, Department of Geology and Mining, University of  Rajshahi