This book includes peer reviewed articles from IEMDST-2024, held on 04-05 July at NIT Warangal in India. The motivation behind the International Conference on Emerging Multifunctional Materials and Devices for Sustainable Technologies (IEMDST-2024) is to address and highlight the critical role of advanced materials and devices in the pursuit of sustainable technologies. The conference is organized by the Department of Physics at the National Institute of Technology, Warangal, in collaboration with the Department of Applied Sciences of NIT Goa. It serves as a catalyst for the exchange of knowledge and ideas among researchers and professionals from various fields related to materials science and technology.