This book focuses on the integration of intelligent communication systems, control systems, and devices related to all aspects of engineering and sciences. It includes high-quality research papers from the 6th International Conference on Intelligent Communication, Control and Devices (ICICCD 2024), organized by the Department of Electrical & Electronics Engineering, School of Advanced Engineering, at UPES, Dehradun, India, during May 30–31, 2024. The topics covered are a range of recent advances in intelligent communication, intelligent control, intelligent devices, and sustainable technologies.