The Fourth International Conference on Advances in Physical Sciences and Materials 2023 (ICAPSM 2023) aims to promote the integration of advanced areas in Physical Sciences and Materials Science and Engineering. The field of advanced physical sciences and materials have not only helped the development in various fields in Science and Technology but also contributes the improvement of the quality of human life to a great extent. ICAPSM 2023 will be organized by the Center for Research and Development (CfRD), KPR Institute of Engineering and Technology, Coimbatore, Tamil Nadu, India during 17 – 18, August 2023.