This book presents selected papers from NIELIT's International Conference on Communication, Electronics, and Digital Technology (NICEDT 2025) held at NIELIT Ropar, Punjab, India, during 14-15 February 2025. This book is organized in two volumes and covers state-of-the-art research insights on artificial intelligence, machine learning, big data, data analytics, cybersecurity and forensic, network and mobile security, advance computing, cloud computing, quantum computing, VLSI and semiconductors, electronics system, Internet of Things, robotics and automations, blockchain and software technology, and digital technologies for future.